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Primary pancreatic hydatid cyst is a rare form of echinococcosis, even in endemic areas. The present study reports the case of a 67-year-old male patient with a primary pancreatic hydatid cyst who presented with severe epigastric pain, vomiting and fever for a period >2 weeks. An endoscopic ultrasound revealed a cystic lesion in the pancreatic head with a solid component. A computed tomography scan and magnetic resonance imaging confirmed the ultrasound finding. Under general anesthesia, the patient underwent total pancreatectomy and splenectomy. A histopathological examination confirmed a primary pancreatic hydatid cyst. Hydatid cysts rarely occur primarily in the pancreas. They may spread to the pancreas through the hematogenous route. Various procedures can be performed for cyst removal, depending on the size and location of the cysts. Open surgery, laparoscopy and hybrid options are available; however, to date, the gold standard is open surgery to prevent spillage and reduce the chance of recurrence. Although rare, primary pancreatic hydatid cysts can occur, with surgery being the main treatment modality due to the vague preoperative diagnosis based on imaging. [ABSTRACT FROM AUTHOR]

Surgery is the main efficacious treatment for many cases of cystic echinococcosis by removing Echinococcus granulosus cysts. However, to reduce risk of cyst spillage and insemination of the content, using a scolicidal agent is crucial. Considering side effects of available scolicidals, and growing nanotechnological approaches in novel pharmaceuticals, the present study aimed to find out the scolicidal activity of geraniol (GL), geranium oil (GM), and their developed nanoemulsions (Nano-GL and Nano-GM) on the protoscoleces of E. granulosus. Nanoemulsions were developed by ultrasonication emulsification and characterised by dynamic light scattering method (DLS). The scolicidal effect of GL, GM, Nano-GL, and Nano-GM at different concentrations of 1, 2.5, 5, 10, 25, and 50 µg/mL were determined after 0.5, 1, and 2 hours of incubation. Mortality rates were measured by eosin exclusion test. The average droplet size for Nano-GM and Nano-GL were 124.8 and 88.59 nm, respectively. After one hour of exposure, all tested concentrations of GL and Nano-GL resulted in higher than 90% mortality rates, while GM and Nano-GM killed 70.66% and 90.33% of protoscoleces, respectively. Based on 50% lethal concentration, Nano-GL was significantly more potent than Nano-GM (LC50: 4.52 vs 102.95 µg/mL). Results of scanning electron microscopy revealed tegumental disruption in the treated protoscoleces. This study described an easily applicable and eco-friendly procedure of nano-formulating functional phytochemicals, showing promising scolicidal activity in vitro. The developed formulations, especially Nano-GL, showed the characteristics of an ideal scolicidal agent. Further studies are needed to assess in vivo efficacy and safety of this formulation. [ABSTRACT FROM AUTHOR]

Introduction: Primary hydatid cyst of the spinal cord is exceedingly rare. Diagnosis at the early stages is difficult as they may be asymptomatic or have mild vague pain. Patients typically present when there are features of cord/root compression. Magnetic resonance imaging (MRI) stands as the primary investigative modality, but even then, preoperative diagnosis might not always be possible as it may resemble other pathological conditions. Methods: This was a case report of a single case with evidence-based discussion. Informed consent was obtained. Case Report: We present a 62-year-old female patient with progressive paraparesis and numbness of bilateral lower limbs. MRI was suggestive of a tubercular pleurospinal lesion at the D9-D10 level. However, intraoperatively, it was identified to be a rare case of primary pleurospinal (thoracic) hydatid cyst. The patient was managed with complete surgical removal of all the cysts and antihelminthic drug therapy with no evidence of recurrence at the 2-year follow-up. Conclusion: Radiological diagnosis might not be accurate and hydatidosis must be kept in mind to avoid intraoperative confusion. Timely diagnosis, appropriate surgical planning, and comprehensive follow-up are crucial for achieving optimal outcomes. [ABSTRACT FROM AUTHOR]

Background: Echinococcosis is a zoonotic disease caused by the ingestion of tapeworm eggs shed by canids. The potential recent establishment of a more virulent European-type strain may be impacting human echinococcosis in Canada, yet information is limited. Objective: Administrative hospital and ambulatory visit data were used to provide a baseline of human echinococcosis cases in Canada between 2000-2020. Methods: Canadian Institute of Health Information's Discharge Abstract Database, Hospital Morbidity Database and National Ambulatory Care Reporting System were combined to identify cases. Risk ratios (RR) by demographic factors and cumulative incidences (CIN) over place and time were calculated. Results: A total of 806 echinococcosis cases were identified in Canada between 2000-2020, for a mean annual CIN of 1.3 cases per million population. Over the two decades, the mean annual CIN of cases increased nationally (1.3-1.4 cases per million), in the Northwest Territories (6.3-9.1 cases per million), in Alberta (1.5-2.4 cases per million) and in the Atlantic provinces (0.2-0.6 cases per million). Those from the Territories had the highest risk of echinococcosis (RR 17.1; 95% confidence interval: 8.7-33.7). Conclusion: Though explanations are multifactorial, the new European-type strain may have a role in the small absolute increase in echinococcosis CIN in Canada observed over the study period. The CIN is likely underestimated and the validity of administrative data for analyzing zoonoses warrants investigation. Though this study contributes important awareness and a baseline, improved data are needed to clarify the effects of the new strain and inform public health response. [ABSTRACT FROM AUTHOR]

This study aimed to investigate the magnetic resonance imaging (MRI) features and classification of echinococcosis of the spinal canal. The clinical manifestations and MRI findings and classification of 19 patients diagnosed with intraspinal echinococcosis over 10 years (2011–2020) were retrospectively analyzed. The mean age of the nine males and 10 females was 39 years (range 28–65 years). Among these, the number of cases with thoracic, lumbar, sacral, thoracolumbar, and lumbosacral, cervical, and lumbar segments was nine (47 %), five (26 %), one (5 %), one (5 %), two (11 %), and one (5 %) cases, respectively. Furthermore, 13 cases (69 %) involved adjacent vertebral bodies, accessories, and surrounding soft tissues. The lesion was confined to the intramedullary, extramedullary subdural, extramedullary epidural, and multiple spaces in one (Type I) (5 %), four (Type II) (21 %), one (Type III) (5 %), and thirteen (69 %) cases, respectively. Moreover, nine cases (47 %) had a history of hydatid disease in the spine or other tissues. The clinical manifestations were chest and lumbosacral pain in 18 cases (95 %) and chest and lumbosacral pain accompanied by lower limb dysfunction in four cases (21 %). The MRI revealed different sizes of T1WI low-signal and T2WI high-signal vesicles with a "grape-like" appearance, with 16 cases (84 %) showing low signals on the edge of the cyst wall. Intraspinal echinococcosis is rare, even in endemic areas. However, intraspinal echinococcosis should be considered when there is a history of echinococcosis in other sites or when there are clear MRI characteristics for the disease. • Echinococcosis is rare in clinical practice, this study selected a more rare location-spinal echinococcosis. • This study provides a new imaging direction for the classification of intraspinal echinococcosis. • This study describes the MRI features of intraspinal echinococcosis. [ABSTRACT FROM AUTHOR]

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Background: Hydatid disease, also known as echinococcosis, is a zoonotic parasitic infection caused by the larvae of the Echinococcus tapeworm. It is endemic in various regions worldwide, particularly in rural areas of countries in southern South America, Central Asia, China, parts of Africa, the Mediterranean, and parts of the Middle East. The disease primarily affects the liver (60–70% of cases) and the lungs (10–25% of cases), but it can involve any organ, including the brain, bones, and rarely the pelvic region, as seen in our case report. Hydatid disease typically follows an asymptomatic course in the early stages of the primary infection and may remain so potentially for years or even permanently. If symptoms occur, they depend on various factors, such as the number, size, and location among other factors. Typically, hydatid disease presents with nonspecific symptoms. Common symptoms include abdominal pain, hepatomegaly, as well as anaphylaxis in case of cyst rupture. Extrahepatic intra-abdominal isolated hydatic cyst is a rare finding (6–11%). Case presentation: In our case, a 70 year-old Asian white male presented with right thigh pain radiating to the lower leg, which is an atypical presentation for an extrahepatic intraabdominal hydatid cyst. Primary intraabdominal hydatid cysts involving the pelvic region are relatively rare, and such cases pose diagnostic and management challenges. Conclusion: This case report underscores the challenges in diagnosing and managing extrahepatic intraabdominal hydatid cysts, particularly in atypical presentations. A combination of clinical evaluation, serological studies, and imaging techniques facilitates accurate diagnosis. [ABSTRACT FROM AUTHOR]

Background: Thyroid Hydatid Cyst (THC), a pathological state induced by the larval form of Echinococcus granulosus, represents a multifaceted clinical entity with nonspecific symptoms, making both diagnosis and treatment intricate. The current understanding of THC's attributes is somewhat limited. To gain a broader perspective on the disease's clinical and epidemiological characteristics, we have systematically reviewed the existing literature. Methods: We performed an extensive review of articles on THC across four key scientific databases: PubMed, Scopus, Web of Science, and Google Scholar. Our study encompassed all patients diagnosed with THC through post-surgical pathology or Fine Needle Aspiration Cytology (FNAC) examinations, extracting clinical, epidemiological, and therapeutic data of THC patients from publications up to October 2023. Results: From 770 articles, 57 met our criteria, detailing 75 THC patients. The gender ratio was 2.36 females per one male. The patients averaged 36.1 years old, with common symptoms including neck mass, hoarseness, shortness of breath, and dysphagia. The left lobe was involved in most patients, and only 21.3% had extrathyroidal involvement. Cysts averaged 36.4 mm in diameter, with cystic nodules being the most frequent imaging finding (91.2%). Serological tests were performed for 42.6% of cases, of which 62.5% were positive. Surgery was undertaken in 71 patients (94.6%). Conclusion: Cystic echinococcosis (CE) of the thyroid should be considered as part of the differential diagnosis in patients with cervicofacial mass, especially in endemic countries. The present study provides reliable data to improve our understanding of the features of the disease for a better diagnosis and management. [ABSTRACT FROM AUTHOR]

There is a significant focus on the role of the host microbiome in different outcomes of human parasitic diseases, including cystic echinococcosis (CE). This study was conducted to identify the intestinal microbiome of patients with CE at different stages of hydatid cyst compared to healthy individuals. Stool samples from CE patients as well as healthy individuals were collected. The samples were divided into three groups representing various stages of hepatic hydatid cyst: active (CE1 and CE2), transitional (CE3), and inactive (CE4 and CE5). One family member from each group was selected to serve as a control. The gut microbiome of patients with different stages of hydatid cysts was investigated using metagenomic next-generation amplicon sequencing of the V3–V4 region of the 16S rRNA gene. In this study, we identified 4862 Operational Taxonomic Units from three stages of hydatid cysts in CE patients and healthy individuals with a combined frequency of 2,955,291. The most abundant genera observed in all the subjects were Blautia, Agathobacter, Faecalibacterium, Bacteroides, Bifidobacterium, and Prevotella. The highest microbial frequency was related to inactive forms of CE, and the lowest frequency was observed in the group with active forms. However, the lowest OTU diversity was found in patients with inactive cysts compared with those with active and transitional cyst stages. The genus Agatobacter had the highest OTU frequency. Pseudomonas, Gemella, and Ligilactobacillus showed significant differences among the patients with different stages of hydatid cysts. Additionally, Anaerostipes and Candidatus showed significantly different reads in CE patients compared to healthy individuals. Our findings indicate that several bacterial genera can play a role in the fate of hydatid cysts in patients at different stages of the disease. [ABSTRACT FROM AUTHOR]

Hydatid disease is an endemic parasitic infection caused by the larval stages of the tapeworm Echinococcus. It is highly endemic in Kazakhstan, with both Echinococcus granulosus and Echinococcus multilocularis widely distributed throughout the country. Hydatid disease can affect almost any organ in the body, with the liver and lung being the most common sites, while cardiac involvement is rare. We report a case of a young female presenting with a 1-year history of stabbing precordial pain, shortness of breath, and weakness. She had a hydatid cyst involving the myocardium of the left ventricle and the left lobe of the liver. The patient underwent surgical resection and received albendazole medication as part of the treatment regimen. [ABSTRACT FROM AUTHOR]

Echinococcosis presents diverse clinical manifestations, including pulmonary hydatidosis, often asymptomatic but complicated by rare yet dramatic occurrences like hydatoptysis. Here, we report a unique case of recurrent pulmonary and abdominal hydatidosis in a 59-year-old female with bronchial fistulization and hydatoptysis, despite previous surgical interventions. Imaging revealed characteristic features aiding in diagnosis and management decisions. The challenges in managing recurrent echinococcosis underscore the importance of comprehensive follow-up and multidisciplinary care. Surgical intervention remains pivotal, supplemented by medical therapy with careful consideration of risks and benefits. This case also presents rare images, absent in much of the literature, which provide valuable insights into the disease's presentation and progression. [ABSTRACT FROM AUTHOR]

Zoonotic metacestodes present a significant threat to both veterinary and public health. Specifically, the prevalence of metacestodes is often concentrated among consumers of raw meat and underdeveloped countries. The objective of this study was to estimate the prevalence of condemned red offal and examine the gross and histopathology features of zoonotic metacestodes. A cross-sectional study was conducted from November 2022 to July 2023 at the Bahir Dar municipal abattoir. A simple random sampling method employed in the abattoir survey to investigate pathological changes of offal and its rate of condemnation. Following a gross inspection of the red offal, representative tissue samples collected and preserved in 10% neutral buffered formalin. Subsequently, the size and number of cysts determined, and their viability and fertility evaluated. Hematoxylin and eosin staining utilized to analyze various lesions with microscope. A total of 340 cattle examined and 7.5% red offal condemned due to hydatid cysts 4.12% in the lungs, 3% in the liver, 0.6% in the kidneys, and 0.9% in other organs. Red offal condemned due to Cysticercus bovis 0.6% in the liver and 0.3% in the tongue. A statistically significance relationship was found between lung rejection due to hydatidosis (p < 0.05), body condition score, and origin of the animal. Among the detected calcified cysts, 83.34% of C. bovis and 47.62% of hydatid cysts. Histopathological examination revealed hydatid cysts and their oncospheres within the portal circulation, as well as necrotized, calcified daughter cysts observed on Bowman's capsule. The alveoli and bronchiole parenchyma compressed with pressure of protoscolices and it infiltrated by eosinophils. The cyst wall is attached to the thick hepatic capsule of the liver, with the hepatic parenchyma displaying islands of irregular hepatocytes. Cysticercus bovis detected in the deteriorated and necrotized muscle bundles, along with granulomatous lesions characterized by infiltration of mononuclear cells. Gross and histological examinations is invaluable tool for diagnosing hydatidosis and cysticercosis, providing well-organized baseline data to enhance our understanding the burden of zoonotic metacestodes. [ABSTRACT FROM AUTHOR]

Introduction: Hydatid disease of the male breast has not been documented in literature to date. Case report: We present a case of a 46-year old male patient who presented with a painful breast lump for 1 year. On imaging, it was suspicious for hydatid disease of the breast and was successfully diagnosed preoperatively on fine-needle aspiration cytology and histopathology as hydatid disease of the breast. Discussion: Incidence of hydatid disease of the breast contributes to a minute number of total cases of hydatid disease. Male breast hydatid disease was unknown prior to this report. We did find similarities in the imaging features of our case and the ones described for female breasts. On ultrasonography, we found it analogous to the 'water-lily' sign which has been described in hepatic hydatic cysts. Conclusion: Keeping hydatid disease as a differential in the setting of a suspicious breast mass even in a male patient proved to be rewarding as it negated the need for further cross-sectional imaging and a definitive diagnosis could be sought based on the fine-needle aspiration cytology and histopathological findings. [ABSTRACT FROM AUTHOR]

The differential diagnosis of cystic echinococcosis should be considered in the suspected case of a pelvic mass presenting with vague symptoms. Primary pelvic hydatid cyst is rare, and the achievement of early diagnosis is important, as the involvement of bone in the pelvis is difficult to treat, and the probability of recurrences is greater. This case report presents a rare case of a primary pelvic hydatid cyst in a male in his 30s. The patient presented vague symptoms of difficulty in micturition and chronic pelvic pain. First-line radiological imaging techniques diagnosed it as a neoplastic mass and tuberculosis, while MRI revealed it as a cystic disease, probably a hydatid cyst. Surgical excision and histopathological examination confirmed the diagnosis of a primary pelvic hydatid cyst. Acquaintance with the varied presentation of cystic echinococcosis helps to obtain an accurate diagnosis and thus decreases the severe complication associated with the disease. This case report highlights the importance of considering parasitic infections in the differential diagnosis of cystic pelvic masses, even in regions with low endemicity. [ABSTRACT FROM AUTHOR]

Background: Cystic echinococcosis (CE) is a chronic disease considered a neglected one. Cystic echinococcosis is endemic in Uruguay and the region. Surgery, using various technical approaches, has the potential to safely remove the cyst(s) and lead to a complete cure in a high number of patients with simple forms of CE. However, surgery may be impractical in patients with multiple cysts in several organs, high surgical risk, or in patients with previous multiple surgeries. In these cases, the pharmacological treatment with the benzimidazolic drug Albendazole (ABZ) alone or combined with Praziquantel (PZQ), has been promising as the best choice to achieve improvement or cure. Methods: In this study, we analyze the results obtained on the anti-parasitic treatment of 43 patients diagnosed with CE between the years 2003 and 2020. Patients were treated before and/or after surgery with ABZ or the combination ABZ/PZQ. The standardize protocol of the anti-parasitic drug treatment before surgery was 7 days, 15 days or 1 month depending on the urgency and availability of the surgical procedure. All cases that involved confirmed locations on lungs underwent immediate surgery with minimal pre-treatment when possible. After surgery, the standardize protocol of anti-parasitic drug treatment consisted of six cycles of 30 days each and resting intervals of 15 days in between. ABZ was used in all cases, administered orally, twice daily, at a total dosage of 15 mg/kg/day, with food high in fat content for improved absorption. The follow up was carried out according to WHO-IWGE guidelines for 5 years. Results: Of the 43 patients fourteen were ≤ 15 years of age and had a differentiated pre-surgical treatment. From the ≥ 16 years of age, 36 completed the treatments and the 5 years follow up. Four patients changed geographical locations, without a forwarding contact, after the post-surgery treatment. No patient died during the study. Of the 36 patients that completed the study, 32 were treated only with ABZ; 93.75% achieved treatment success as determined by improvement or cure, and 6.25% treatment failure determined by no change or worsening. The last four patients received the ABZ/PZQ combination therapy and achieved 100% treatment success. Conclusion: The pharmacological treatment resulted in a good option not only as palliative but also as potentially curative. The main relevance of its use was in cases with previous multiple surgeries or surgeries with potential life-threatening complications due to the number and location of cysts and concurrent comorbidities. A follow-up of at least 5 years would be recommended to assure remission and control of the transmission. More randomized trials are needed to provide clear clinical evidence of different pharmacological treatments for CE. [ABSTRACT FROM AUTHOR]

Aims Methods and results Conclusions Infections by the larval stage of the tape worms Echinococcus multilocularis and Echinococcus granulosus s.l. are potentially fatal zoonoses affecting humans as dead‐end hosts. Histopathological evaluation of hepatic echinococcosis is an integral part of patient management, including the distinction between alveolar (AE) and cystic echinococcosis (CE), which are associated with different disease courses and treatments. To improve histopathological assessment of Echinococcus lesions, we aimed to develop robust criteria to evaluate their viability and decay.Histomorphological criteria for determining parasitic viability based on the morphology of parasite structures and different stages of their decay were defined based on a clinically and molecularly defined cohort comprising 138 specimens from 112 patients (59 AE and 53 CE); 618 AE lesions were assessed for histopathological viability comparing haematoxylin and eosin (H&E) staining with mAbEm18 and mAbEm2G11 immunostaining. Moreover, parasite viability was systematically mapped in cross‐sections of five additional AE lesions. Protoscoleces in CE and AE displayed variable states of degeneration. Albendazole had no significant effect on the morphology of parasite structures. Viability assessment revealed high agreement between H&E and mAbEm18, but not mAbEm2G11 staining, suggesting mAbEm18 staining as reliable for parasite viability assessment. H&E and mAbEm18 staining displayed a central–peripheral gradient of parasite viability and decay across parasitic lesions, with decayed cystic lesions located more towards the lesion centre while the most viable cystic lesions were located more peripherally.Histopathological criteria corroborated by mAbEm18 staining provide a simple and reliable tool to assess the viability of AE lesions, knowledge of which is a valuable decision‐making tool for further treatment. [ABSTRACT FROM AUTHOR]

Introduction: Occupation plays an important role in the spread of infectious diseases in humans. Toxoplasmosis and hydatidosis are world-wide diseases with different routes of transmission. This study aimed to investigate the prevalence of toxoplasmosis and hydatidosis and risk factors associated with these diseases among the butchers of Tabriz City, the northwest of Iran. Methods: In this case-control study conducted in Tabriz city in 2023, 250 serum samples were collected from butchers (n = 125) and outpatients referred to Imam Reza Hospital (n = 125) and. The ELISA test was used to identify IgG and IgM antibodies against toxoplasmosis and IgG antibodies against hydatidosis. The results were analyzed by statistics tests using SPSS v. 16 software. Risk factors' association was tested using Chi square or logistic regression analysis. Results: The results indicated that 66/125 (52.8%) cases and 40/125 controls (32%) were positive for toxoplasmosis IgG antibody. Also, 5/125 (4%) and 1/125 (0.8%) were positive for toxoplasmosis IgM antibody in the case and control groups, respectively. In addition, 10/125 people (8%) were positive for anti-hydatidosis IgG antibody in the case group, while no positive cases were found in the control group. The main risk factors for toxoplasmosis were age (OR: 1.014), education level (OR: 0.638), and work experience(OR: 1.695), these factors for hydatidosis included age and education level (OR: 1.765 and 0.271) respectivily. Conclusions: Our results suggest the high prevalence of toxoplasmosis and in butchers of Tabriz, which required special attention and basic measures. Moreover, the prevalence of hydatidosis IgG antibodies also requires more attention to be focused on breaking the transmission and reducing the infection. [ABSTRACT FROM AUTHOR]

Introduction: Echinococcosis is a chronic zoonotic disease caused by tapeworms of the genus Echinococcus. The World Health Organization (WHO) has identified encapsulated disease as one of 17 neglected diseases to be controlled or eliminated by 2050. There is no accurate, early, non-invasive molecular diagnostic method to detect echinococcosis. The feasibility of circulating free DNA as a diagnostic method for echinococcosis has yielded inconclusive results in a number of published studies. However, there has been no systematic evaluation to date assessing the overall performance of these assays. We report here the first meta-analysis assessing the diagnostic accuracy of cfDNA in plasma, serum, and urine for echinococcosis. Methods: We systematically searched PubMed, Embase, Cochrane Library, China National Knowledge Infrastructure (CNKI), and WeiPu databases up to 17 January 2024, for relevant studies. All analyses were performed using RevMan 5.3, Meta-DiSc 1.4, Stata 17.0, and R 4.3.1 software. The sensitivity, specificity, and other accuracy indicators of circulating free DNA for the diagnosis of echinococcosis were summarized. Subgroup analyses and meta-regression were performed to identify sources of heterogeneity. Results: A total of 7 studies included 218 patients with echinococcosis and 214 controls (156 healthy controls, 32 other disease controls (non-hydatid patients), and 26 non-study-targeted echinococcosis controls were included). Summary estimates of the diagnostic accuracy of cfDNA in the diagnosis of echinococcosis were as follows: sensitivity (SEN) of 0.51 (95% CI: 0.45-0.56); specificity (SPE) of 0.99 (95% CI: 0.97-0.99); positive likelihood ratio (PLR) of 11.82 (95% CI: 6.74-20.74); negative likelihood ratio (NLR) of 0.57 (95% CI: 0.41-0.80); diagnostic ratio (DOR) of 36.63 (95% CI: 13.75-97.59); and area under the curve (AUC) value of 0.98 (95% CI: 0.96-1.00). Conclusion: Existing evidence indicates that the combined specificity of circulating cfDNA for echinococcosis is high. However, the combined sensitivity performance is unsatisfactory due to significant inter-study heterogeneity. To strengthen the validity and accuracy of our findings, further large-scale prospective studies are required. [ABSTRACT FROM AUTHOR]

Background: Echinococcosis, or hydatid disease, is caused by the larval forms of taeniid cestodes belonging to the genus Echinococcus. Echinococcus granulosus and E. multilocularis are the primary species responsible for human echinococcosis, and mostly they affect the liver. The disease course is typically slow, and the patients tend to remain asymptomatic for many years. Case presentation: A case of 19-year-old male Somali from Medina, Saudi Arabia, was presented to the Mogadishu Somali Turkey Recep Tayyip Erdogan Training and Research Hospital with the complaint of right upper quadrant abdominal pain and dysuria for 1 month. A thorough physical examination, laboratory examination, and imaging investigations, including abdominal sonography and computed tomography (CT), were conducted. Both ultrasound and CT scans revealed a cystic lesion in the right lobe of the liver, confirming the diagnosis of a hydatid cyst. Consequently, the patient underwent exploratory laparotomy. It was successfully managed surgically, and the definitive diagnosis was provided by the pathologist, confirming degenerated echinococcal cysts that contain abundant debris. Additionally, the patient received oral albendazole both before and after the surgery and after 7 months and is currently symptom-free. Conclusions: Hydatid disease in the liver may persist without symptoms and often goes undiagnosed due to the slow growth of the cysts. The diagnosis needs careful history reporting, physical examination, and appropriate imaging investigations. [ABSTRACT FROM AUTHOR]

Introduction: Alveolar echinococcosis (AE), caused by the larval forms of Echinococcus multilocularis, is a zoonotic disease affecting the liver, lungs, lymph nodes, kidneys, brain, bones, thyroid, and other organs. Diagnosing AE in a non-endemic area is usually challenging. With the rapid development and increasing application of sequencing techniques in recent years, metagenomic next-generation sequencing (mNGS) has become a powerful tool for diagnosing rare infectious diseases. Case Presentation: A 45-year-old woman was admitted to the hospital for the presence of pulmonary shadows for more than 3 months. The lung computed tomography (CT) at a local hospital revealed scattered solid and quasi-circular nodules in the left upper lobe, left lower lobe, right middle lobe, and right lower lobe. The largest nodule was located in the dorsal part of the right lung, measuring 2.0 × 1.7 × 1.5 cm. Moreover, abdominal CT revealed one space-occupying lesion each in the left and right lobes. The pathological analysis of the lung biopsy specimen revealed infiltration of lymphocytes, plasma cells, and eosinophils in the alveolar wall and interstitial area. No pathogenic bacteria were observed in the sputum smear and culture tests. There were no parasite eggs in the stool. The mNGS of the lung puncture tissue revealed 6156 sequence reads matching E. multilocularis; thus, the condition was diagnosed as AE. Albendazole 400 mg was administered twice daily, and the patient was stable during follow-up. Conclusion: This case emphasizes the role of mNGS in diagnosing AE. As a novel, sensitive, and accurate diagnostic method, mNGS could be an attractive approach for facilitating early diagnosis and prompt treatment of infectious diseases, especially when the infection was caused by rare pathogens. [ABSTRACT FROM AUTHOR]

Background: Cystic echinococcosis, also known as hydatid disease, is a chronic and endemic illness caused by infection with a parasite called Echinococcus granulosus. In Romania, this disease has an incidence rate of 5.6 per 100,000 individuals, which is the highest in the Dobrogea region. The liver is the most affected site, accounting for 68.8% of cases, followed by the lungs at 17.2%. While cases of hydatid disease in the genital organs are rare, occurring at an incidence rate of only 0.5%, it is worth noting that cases of this disease in pregnancy worldwide are also rare, occurring at an incidence rate of 1 in 20,000 to 1 in 30,000 pregnancies. Case report: A 15-year-old Eastern-European woman who was 12 weeks pregnant presented to the emergency room with acute pelvic pain, dysuria, and frequent urination. Her laboratory tests showed that she had a urinary tract infection, and pelvic ultrasound revealed that she had a mass on her right adnexa. Despite receiving treatment, her symptoms did not improve, and she had to undergo surgery to remove the mass, which turned out to be a hydatic cyst. She also had to undergo a cesarean section to deliver her baby owing to fetal distress during labor. Conclusions: This medical case report provides a detailed description of a pelvic hydatid cyst that was discovered during pregnancy. What makes this case particularly noteworthy is the cyst's unusual location—it was found at the level of the right broad ligament of the uterus. Despite the complexity of the situation, the patient was able to receive effective treatment and the cyst was successfully managed with great outcomes for both the patient and the newborn. We hope that this report serves as a valuable example of how medical professionals can navigate challenging cases and provide optimal care for their patients. [ABSTRACT FROM AUTHOR]

Background: There are ten genotypes of Echinococcus granulosus with different intermediate and final hosts affecting the parasite's life cycle and its transmission to humans. Therefore, this study was conducted to determine the genotype of isolated hydatid cysts using the simple and fast high-resolution melting point analysis (HRM) method. Methods: The paraffin tissue samples of patients who underwent surgery were obtained from the pathology sample bank of Vasei and Emdad Hospitals in Sabzevar, Iran during 2010-2020. The DNA content of the samples was extracted after collecting and determining the characteristics using the DNA extraction kit. PCR was performed on the samples and the presence of the hydatid cyst genome was confirmed using the special Master Kit. Mix PCR of Solis Biodyne Company and Real-Time device (Bio-Rad) were used, and the genetic identity of hydatid cysts were determined. Results: Out of 33 paraffin samples, 21 samples contained hydatid cyst DNA, two of which were from the brain and 19 from the liver tissues; 12 samples did not contain hydatid cyst DNAs. All liver samples were from sheep species (G1), and the brain samples were from buffalo species (G3). Therefore, 9.53% of the Echinococcus species collected were buffalo (G3), and 90.47% were sheep (G1) strain. Conclusion: Based on previous patterns, HRM methods can be used for easy and quick identification of Echinococcus strains. The G1 strain was the dominant strain causing hydatid cyst in different human organs, including the liver and brain. [ABSTRACT FROM AUTHOR]

A prospective study on 110 patients with echinococcosis at Dr. Khuroo's Medical Clinic, Srinagar, Kashmir, India, from March 2019 to April 2024 identified 12 cases (4 males, 8 females; mean age of 46.58 ± 11.97 years) of Alveolar echinococcosis (AE). Two patients were detected through ultrasound examinations carried out for unrelated causes; one presented with features of liver abscess, and nine had pain in the right upper quadrant for a mean period of 2.2 ± 1.79 years. All had the liver as the primary organ involved, with 15 tumor masses of a mean maximum diameter of 9.22 ± 3.21 cm and volume of 426 ± 374.61 cm3. Tumors placed centrally had invaded vessels and the biliary tract in eight patients, and those placed peripherally had invaded the liver capsule and adjacent organs in nine patients. Histologic examination of liver biopsies or resected organs revealed necrotic lesions, calcifications, and granulomatous inflammation with slender, thin-walled vesicles of bizarre configuration that stained strongly eosinophilic with periodic acid Schiff. Two patients had segmental liver resections; one was treated with liver aspiration, while the other nine with advanced disease received chemotherapy with albendazole along with praziquantel. Patients showed clinical improvement on a median follow-up of 12 months (range 1 to 60 months); however, MRI T2-weighted images and 18F-FDG-PET-CECT scans in two patients showed active disease on follow-up at one and five years, respectively. A systematic review detected 146 cases of AE in India from 1980 to April 2024. Twenty cases were from foreign countries, mostly from Central Asian republics, and 118 (93.65%) of the remaining 126 Indian patients were permanent residents of Kashmir Valley. The disease affected a population of 79,197 residing in 22 villages from 5 border districts of the valley. These villages were either high in or adjacent to the Himalayan mountain range. Disease prevalence in the affected population was 146.47/105 (males 131.53/105 and females 163.18/105) and the incidence was 12.41/105/year (males 11.16/105/year and females 13.81/105/year). Possible causes of the emergence of AE are discussed, and future directions for research to face this challenge arebeen identified. [ABSTRACT FROM AUTHOR]

Hydatid disease is endemic in certain geographical areas where animal breeding is common, frequently challenging the medical services in these regions. Hydatid cysts most often affect the liver, with damage to other organs accounting for around one-third of the total cases. The alternative to interventional or pharmacological approaches is surgical treatment, available in variants such as laparoscopy, laparoscopy with special instruments for hydatid disease, or open surgery. This article aims to analyze the outcomes of these three types of surgical approaches, considering preoperative indications, operative techniques and efficiency, and immediate and long-term postoperative results. A total of 149 patients from two different surgical units were analyzed over a period of seven years. It was observed that males were more affected by this pathology (53.02%), with the majority of patients coming from rural areas (62.42%). The distribution by surgical procedure type showed that 50.34% were operated on using open surgery, 33.56% by means of a laparoscopic approach with the usual instruments, and 16.11% by means of a laparoscopic approach with special instruments. The laparoscopic procedure with special instruments presented a lower rate of conversion to open surgery compared to the usual laparoscopic approach (p = 0.014). The analysis of the average operative duration revealed statistically significant differences between the three types of surgical techniques (p < 0.05), noting that interventions with specialized instruments had the shortest duration, while open surgery had the longest operative time (72.5 ± 27.23 min vs. 154 ± 52.04 min). In terms of intraoperative complications, they were documented in 8.34% of cases for the group operated on with special instruments, in 12.24% of cases for the standard laparoscopy group, and in 16% of cases for the open surgery group. Maximal cystectomy was the preferred method for resolving these cysts using minimally invasive surgery (p < 0.001), while Lagrot pericystectomy was preferred in the open approach (p < 0.001). The most frequent postoperative complication was biliary fistula (24.16%), encountered in varying percentages across each technique but without significant statistical difference (p > 0.05). Open surgery was associated with a longer length of hospitalization compared to minimally invasive procedures (p < 0.05), a higher number of late postoperative complications (p = 0.002), and a significantly higher number of recurrences (p < 0.001) compared to the other two techniques. The present study highlights the effectiveness of minimally invasive surgery for hydatid cysts as a safe alternative with fewer complications and superior results compared to open surgery. Additionally, it provides a comparative analysis of these surgical approaches (special instruments, standard laparoscopy, and open surgery) to hydatid disease for the first time. Under the circumstances where pharmacological treatment is recommended as a supportive measure before and after procedures, and using medication alone as the primary treatment option shows only modest efficacy, there is a necessity to consider invasive treatment methods. Percutaneous procedures represent the least invasive form of treatment, yielding results comparable to surgery in terms of efficacy. However, their effectiveness is influenced by factors such as the cyst's stage of development, its location, and the challenges in achieving complete intra-procedural isolation. Laparoscopy, particularly when using specialized instruments tailored to the tactical and technical demands of managing hydatid disease, serves to address the limitations of percutaneous methods. Open surgery's role is increasingly restricted, primarily serving as a fallback option in laparoscopic procedures or in cases complicated by hydatid disease. In conclusion, despite the rising popularity of percutaneous methods, surgery remains a viable therapeutic option for treating hydatid disease. Minimally invasive surgical interventions are increasingly versatile and yield comparable outcomes, further solidifying the role of surgery in its management. [ABSTRACT FROM AUTHOR]

Hepatic hydatid cysts are an example of a zoonosis with global distribution, but with endemic characteristics in certain geographic areas. Known since ancient times, this parasitic infection predominantly affecting the liver and lungs remains a challenge today in terms of diagnosis and the pharmacological, radiological, endoscopic, or surgical therapy. This study analyzed the complications associated with different procedures for treating hydatid cysts in 76 patients admitted to the County Clinical Emergency Hospital of Sibiu. Complications occurred in 18 patients (23.7%), with no significant correlation to age, gender, or residency (urban or rural). Patients undergoing open surgery exhibited the highest complication rate (61.1%) compared to those treated with other procedures. The most frequent complication was biliary duct rupture, occurring in 22.7% of cases. Our findings indicate that the presence of complications significantly prolongs hospitalization time [t df (75) = 12.14, p < 0.001]. Based on these findings, we conclude that the surgical approach for hydatid cysts should be meticulously tailored to each patient's specific circumstances to reduce the risk of complications and improve clinical outcomes. [ABSTRACT FROM AUTHOR]

Background: Alveolar echinococcosis (AE) primarily affects the liver and potentially spreads to other organs. Managing recurrent AE poses significant challenges, especially when it involves critical structures and multiple major organs. Case presentation: We present a case of a 59-year-old female with recurrent AE affecting the liver, heart, and lungs following two previous hepatectomies, the hepatic lesions persisted, adhering to major veins, and imaging revealed additional diaphragmatic, cardiac, and pulmonary involvement. The ex vivo liver resection and autotransplantation (ELRA), first in human combined with right atrium (RA) reconstruction were performed utilizing cardiopulmonary bypass, and repairs of the pericardium and diaphragm. This approach aimed to offer a potentially curative solution for lesions previously considered inoperable without requiring a donor organ or immunosuppressants. The patient encountered multiple serious complications, including atrial fibrillation, deteriorated liver function, severe pulmonary infection, respiratory failure, and acute kidney injury (AKI). These complications necessitated intensive intraoperative and postoperative care, emphasizing the need for a comprehensive management strategy in such complicated high-risk surgeries. Conclusions: The multidisciplinary collaboration in this case proved effective and yielded significant therapeutic outcomes for a rare case of advanced hepatic, cardiac, and pulmonary AE. The combined approach of ELRA and RA reconstruction under extracorporeal circulation demonstrated distinct advantages of ELRA in treating complex HAE. Meanwhile, assessing diaphragm function during the perioperative period, especially in patients at high risk of developing pulmonary complications and undergoing diaphragmectomy is vital to promote optimal postoperative recovery. For multi-resistant infection, it is imperative to take all possible measures to mitigate the risk of AKI if vancomycin administration is deemed necessary. [ABSTRACT FROM AUTHOR]

Key Clinical Message: In cystic lesions of the pancreas, hydatid cyst should be considered in the differential diagnoses and its presence should be ruled out before any invasive interventions. Serological tests along with imaging studies related to hydatid cyst diagnostic indicators should be performed in people who live in Echinococcus granulosus endemic areas and suffer from cystic lesions of the gastrointestinal tract. Primary pancreatic hydatid cysts, caused by the tapeworm Echinococcus granulosus, represent a rare occurrence often challenging to diagnose due to their similarity to other pancreatic conditions. This case report outlines a 67‐year‐old male presenting with jaundice and cholestasis but lacking typical symptoms associated with pancreatic hydatid cysts. Laboratory findings revealed elevated bilirubin levels, liver enzyme abnormalities, and tumor markers, prompting imaging studies that indicated a cystic mass near the pancreatic head. Misdiagnosed initially as a mucinous cystic neoplasm, the patient underwent Whipple surgery, unveiling a large cystic lesion upon examination. [ABSTRACT FROM AUTHOR]

The article presents a case of complicated cardiac hydatidosis with cerebral embolism in a 50-year-old woman from Peru. The patient was admitted to the emergency room with altered mental status and right motor deficit, and the diagnosis of hydatidosis was confirmed through complementary tests. Surgery was performed to remove the brain cysts and the patient had a good postoperative recovery. Treatment included the use of albendazole. The importance of considering cardiac hydatidosis in the diagnosis of intracardiac and cerebral masses is highlighted. [Extracted from the article]

Background: Cerebral echinococcosis is relatively rare, and it is important to distinguish cerebral cystic echinococcosis (CCE) from cerebral alveolar echinococcosis (CAE) in terms of pathological diagnosis. We aim to describe the different clinicopathological features among patients with CCE and CAE. Methods: We collected 27 cases of cerebral echinococcosis which were diagnosed in the Department of Pathology of the First Affiliated Hospital of Xinjiang Medical University from January 1, 2012, to June 30, 2023. We compared the patients' clinical characteristics, MRI features, and pathologic manifestations of CCE and CAE. Results: Among 27 cases of cerebral echinococcosis, 23 cases were CAE and 4 cases were CCE. The clinical manifestations of both CCE and CAE patients mainly included headache (21 patients, 77.78%), limb movement disorders (6 patients, 22.22%), epileptic seizures (4 patients, 14.81%) and visual disturbances (2 patients, 7.41%). The average onset age of CAE cases was 34.96 ± 11.11 years, which was 9.00 ± 7.26 years in CCE cases. All CAE patients presented with multiple involvements in the brain and extracranial organs while all CCE patients observed a solitary lesion in the brain and 3 CCE cases had no extracranial involvement. Lesions of CCE in MRI showed a single isolated circular, which was well demarcated from the surrounding tissues and with no obvious edema around the lesions, whereas CAE lesions presented as multiple intracranial lesions, with blurred edges and edema around the lesions, and multiple small vesicles could be observed in the lesions. The edge of CAE lesions could be enhanced, while CCE lesions have no obvious enhancement. CCE foci were clear cysts with a wall of about 0.1 cm. Microscopically, the walls of the cysts were characterized by an eosinophilic keratin layer, which was flanked on one side by basophilic germinal lamina cells, which were sometimes visible as protocephalic nodes. While the CAE lesion was a nodular structure with a rough and uneven nodule surface, and the cut section was cystic and solid; microscopically, the CAE lesion had areas of coagulative necrosis, and the proto-cephalic nodes were barely visible. Inflammatory cell areas consisting of macrophages, lymphocytes, epithelioid cells, plasma cells, eosinophils, and fibroblasts can be seen around the lesion. Brain tissues in the vicinity of the inflammatory cell areas may show apoptosis, degeneration, necrosis, and cellular edema, while brain tissues a little farther away from the lesion show a normal morphology. Conclusions: With the low incidence of brain echinococcosis, the diagnosis of echinococcosis and the differential diagnosis of CAE and CCE are challenging for pathologists. Grasping the different clinical pathology characteristics of CAE and CCE is helpful for pathologists to make accurate diagnoses. [ABSTRACT FROM AUTHOR]

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Background: Cystic echinococcosis (CE) is one of the most important neglected diseases and a public health concern worldwide. Due to the poor efficacy of current drugs, novel therapeutic approaches are urgently needed. Objectives: This study evaluated the scolicidal effects of the hydroalcoholic extract of Urtica dioica and the chloroformic extract of Pyrus boissieriana on protoscoleces of CE cysts. Methods: Protoscoleces were aseptically aspirated from the livers of sheep naturally infected with CE cysts. To assess the scolicidal effect of these herbal extracts, various concentrations of both extracts (5, 10, 20, 40, and 80 mg/mL) were added to a suspension of 3 x 10³ washed protoscoleces. After 10, 20, 30, 60, and 120 minutes of exposure, eosin stain was added to each tube, and the viability of protoscoleces was evaluated by flame cell motility under a light microscope, as well as impermeability to 0.1% eosin solution. All experiments were performed in triplicate. Results: The scolicidal effects of U. dioica extracts at a concentration of 80 mg/mL were 81% and 89% after 60 and 120 minutes of exposure, respectively. Almost the same results were obtained for P. boissieriana extracts at a concentration of 80 mg/mL (81.33% and 89% after 60 and 120 minutes of exposure, respectively), which were significantly different from the negative control group (P < 0.001). However, the extract of U. dioica exhibited stronger scolicidal effects compared to the extract of P. boissieriana at concentrations lower than 40 mg/mL (P < 0.001). Conclusions: The present findings indicate that both U. dioica and P. boissieriana extracts possess high protoscolicidal activities and could be used as alternative natural medicines in the treatment of CE. However, further studies are required to verify these findings through assessment in animal models and clinical subjects. [ABSTRACT FROM AUTHOR]

Background: Cystic echinococcosis (CE), a helminth‐associated zoonosis caused by Echinococcus granulosus, poses a significant public health problem, particularly in pastoral‐rearing regions. The lack of uniform guidelines led to variations in CE management. Based on ultrasound data, the World Health Organization Informal Working Group on Echinococcosis (WHO‐IWGE) classification system categorizes cysts into active, transitional, and inactive groups. This study assesses whether the therapeutic approach from liver human operation cases in North Khorasan province aligns with the WHO‐IWGE reference based on ultrasound data. Methods: The research is based on ultrasound data from liver CE human operation cases collected between 2018 and 2022. This retrospective study investigates the therapeutic protocol for (CE) in North Khorasan Province, Iran, comparing it with the WHO‐IWGE guidelines. We collect data from previously registered patients' medical information from our studied area's main CE surgical hospital. Moreover, as the first hospitalized survey in Iran, this study reveals insights into patient demographics, cyst stage prevalence, and treatment modalities. Results: Notably, more than half of the patients were treated for CE1 stage cysts, and CE4 cases, which generally do not require surgery, underwent open surgery. The results suggest a need for adherence to the "watch‐and‐wait" approach in specific cases. All patients underwent successful surgeries, but we do not have access to follow‐up data from patients after discharge. Conclusions: This descriptive study contributes to understanding the implementation of WHO guidelines in a regional context, shedding light on the challenges and variations in CE management. It seems, retraining courses for surgeons are required to update their knowledge of standard CE diagnostic and treatment methods. Access the CME test here and search by article title. [ABSTRACT FROM AUTHOR]

Production-limiting diseases, such as helminth infections, are a major concern in temperate regions. They can lead to decreased meat and milk production and quality in livestock. This investigation aimed to assess the prevalence of Fasciola spp., Dicrocoelium spp., and Cystic echinococcosis in different livestock species (cattle, sheep, and goats) at the Khorramabad slaughterhouse between March 21, 2012, and March 20, 2022.ANOVA was employed to assess how disease prevalence varies across different periods and among various livestock species, aiming to comprehend the interplay of these independent variables on disease prevalence. The highest prevalence of Fasciola spp. was related to cattle, with a seasonal pattern showing a higher prevalence in autumn and winter. Hydatid cysts have increased over the past decade, with D. dendriticum being prevalent from 2017 to 2020. The investigation conducted has provided evidence that diseases caused by parasitic infestations in ruminants continue to persist even after treatment. This highlights the need for more effective and targeted sanitary and preventive measures that consider the type of parasite and its prevalence during different seasons. It is hence important to design and implement measures tailored to the specific needs of each parasite species, and aligned with the seasonal fluctuations in its population. This will help minimize the risk of disease transmission, thus reducing the impact on animal health and productivity, ultimately benefitting the livestock industry as a whole. [ABSTRACT FROM AUTHOR]

Abstract Background Echinococcosis, or hydatid disease, is caused by the larval forms of taeniid cestodes belonging to the genus Echinococcus. Echinococcus granulosus and E. multilocularis are the primary species responsible for human echinococcosis, and mostly they affect the liver. The disease course is typically slow, and the patients tend to remain asymptomatic for many years. Case presentation A case of 19-year-old male Somali from Medina, Saudi Arabia, was presented to the Mogadishu Somali Turkey Recep Tayyip Erdogan Training and Research Hospital with the complaint of right upper quadrant abdominal pain and dysuria for 1 month. A thorough physical examination, laboratory examination, and imaging investigations, including abdominal sonography and computed tomography (CT), were conducted. Both ultrasound and CT scans revealed a cystic lesion in the right lobe of the liver, confirming the diagnosis of a hydatid cyst. Consequently, the patient underwent exploratory laparotomy. It was successfully managed surgically, and the definitive diagnosis was provided by the pathologist, confirming degenerated echinococcal cysts that contain abundant debris. Additionally, the patient received oral albendazole both before and after the surgery and after 7 months and is currently symptom-free. Conclusions Hydatid disease in the liver may persist without symptoms and often goes undiagnosed due to the slow growth of the cysts. The diagnosis needs careful history reporting, physical examination, and appropriate imaging investigations.

Abstract Background Cystic echinococcosis, also known as hydatid disease, is a chronic and endemic illness caused by infection with a parasite called Echinococcus granulosus. In Romania, this disease has an incidence rate of 5.6 per 100,000 individuals, which is the highest in the Dobrogea region. The liver is the most affected site, accounting for 68.8% of cases, followed by the lungs at 17.2%. While cases of hydatid disease in the genital organs are rare, occurring at an incidence rate of only 0.5%, it is worth noting that cases of this disease in pregnancy worldwide are also rare, occurring at an incidence rate of 1 in 20,000 to 1 in 30,000 pregnancies. Case report A 15-year-old Eastern-European woman who was 12 weeks pregnant presented to the emergency room with acute pelvic pain, dysuria, and frequent urination. Her laboratory tests showed that she had a urinary tract infection, and pelvic ultrasound revealed that she had a mass on her right adnexa. Despite receiving treatment, her symptoms did not improve, and she had to undergo surgery to remove the mass, which turned out to be a hydatic cyst. She also had to undergo a cesarean section to deliver her baby owing to fetal distress during labor. Conclusions This medical case report provides a detailed description of a pelvic hydatid cyst that was discovered during pregnancy. What makes this case particularly noteworthy is the cyst’s unusual location—it was found at the level of the right broad ligament of the uterus. Despite the complexity of the situation, the patient was able to receive effective treatment and the cyst was successfully managed with great outcomes for both the patient and the newborn. We hope that this report serves as a valuable example of how medical professionals can navigate challenging cases and provide optimal care for their patients.

The main human echinococcal infections are caused by Echinococcus granulosus sensu lato, which causes cystic echinococcosis (CE), and E. multilocularis, which causes alveolar echinococcosis (AE). The parasites have different life [...]

Cystic hydatid disease is an endemic disease caused by the larval form of Echinococcus granulosis. It is especially evident in the liver, lungs, and kidney. Testicular hydatidosis is extremely rare. A case of a hydatid cyst of the testis is reported that was misdiagnosed clinically as a testicular hydrocele. Echinococcosis should be considered in the differential diagnosis of testicular masses especially in endemic countries. Treatment is mainly surgical and, with proper diagnosis and treatment, the prognosis is good.