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Cardiac hydatid cyst is a rare but potentially serious parasitic disease. The clinical presentation is often atypical, and the infection can remain asymptomatic for a long time. The diagnosis can be made during systematic echocardiography or when complications occur, such as pericardial effusion or heart conduction disorders. We report a case of cardiac hydatid cyst revealed by pericardial effusion caused by the rupture of hydatid cyst in the pericardium. [ABSTRACT FROM AUTHOR]

Hydatid cyst is a zoonosis that frequently affects the liver, which is endemic in several countries such as Morocco. The hepatic hydatidosis can be complicated by angiocholitis, currently, the treatment of choice is endoscopic retrograde cholangio-pancreatography with sphincterotomy. We report two clinical cases of angiocholitis on hepatic hydatid cyst fistulised in the main bile duct which were treated endoscopically with a favourable outcome. Early diagnosis and adequate management can improve the prognosis of these patients. [ABSTRACT FROM AUTHOR]

Primary pleural hydatid cyst remains very rare, even in endemic countries. Pneumothorax can be a revealing sign of this pathology, which poses a diagnostic and therapeutic problem compared to other frequent etiologies of pneumothorax, especially as hydatid serology is often negative. We report an observation of a primary pleural hydatid cyst discovered in a 21yearold man following a pneumothorax, with emphasis on its mechanism of genesis and the suggestive clinical, radiological and biological aspects. [ABSTRACT FROM AUTHOR]

A cross-sectional survey was conducted at Constantine’s slaughterhouse in Northeast Algeria between February 2018 and February 2019. Livers and lungs of 2574 sheep and 1036 cattle were examined for the presence of lesions. The overall prevalence of lung lesions was 33% and 32% in sheep and cattle, respectively. The most frequent lesion in sheep lungs was red hepatization (19%) followed by pleurisy (12%). In cattle, the most frequent lung lesion was cystic echinococcosis (24%), followed by pleurisy (7%) and emphysema (5%). Lungworm infection (9%), atelectasis (0.2%) and suppurative bronchopneumonia (0.2%) were observed only in sheep lungs. On the other hand, cystic echinococcosis (24%) and tuberculosis (1.5%) were only observed in cattle. The prevalence of lung abscesses was 2% in sheep and 1% in cattle. The prevalence of lung lesions was higher in cattle older than eight years (66%) than in cattle younger than two years (14%). The overall prevalence of liver lesions was significantly higher in cattle (15%) than in sheep (11%). The highest prevalence of lesions in cattle livers was due to cystic echinococcosis (8%), followed by abscesses (6%), Fasciola hepatica infection (2%), and perihepatitis (1%). Cysticercus tenuicollis infection was observed in 6% of the examined sheep, followed by abscesses (5%). The highest prevalence of C. tenuicollis occurred in winter (9%) followed by autumn (6%). Lung and liver lesions represent a serious problem to the livestock industry in Algeria. Further studies are needed to implement appropriate control programs.

A retrospective study was carried out from registers of the slaughterhouses of Constantine, Algeria, on 145,919 cattle and 345,282 sheep apparently healthy, slaughtered between 2009 and 2018. The objective was to estimate the prevalence of the two dominant parasitic infections which cause gross lesions in liver and lungs, i.e. cystic echinococcosis (CE) and Fasciola hepatica infection. The postmortem examination consisted in a visual inspection of the organs, palpation of lungs and livers, and systematic incision of livers, performed according to FAO procedures. The prevalence of F. hepatica infection was significantly higher in cattle (2.7%) than in sheep (0.2%). There was a non-significant decrease from 4.5 to 2.0% (p > 0.05) in the prevalence of F. hepatica in cattle during the 10-year period. The prevalence of CE in the livers and lungs was significantly higher in cattle (3.3% and 9.7%, respectively) than in sheep (0.6% and 1.1%, respectively). The prevalence of CE was significantly higher in lungs than in livers. These results showed the importance of these parasitic infections in the province of Constantine and its surroundings, which requires the implementation of control programs against these infections in both sheep and cattle.

The authors report a case of multiple cerebral hydatid cysts with calcifications in a 32-year-old patient living in a deficient collective hygiene environment and remaining in close contact with dogs, which clinically presented an Intracranial hypertension syndrome and cerebellar syndrome. The diagnosis of Hydatid cyst was based on CT scan which revealed a voluminous cystic lesion with other small cysts dotted in both lobes with some having parietal calcifications without enhancement after Injection of the contrast product. [ABSTRACT FROM AUTHOR]

Diagnosis and treatment of liver hydatid cysts may be challenging. Many surgical techniques have been proposed for the treatment of liver hydatid cysts, but the problem of the residual cavity still remains controversial and challenging, especially in giant liver hydatid cysts which are rare entities that have not been widely described in the literature so far. Capitonnage, external tube drainage and omentoplasty are the most commonly used techniques. Herein, we report the case of a 70-year-old man with a mild upper quadrant pain that proved to have a giant liver hydatid cyst, 21*14 cm2, occupying the entire right lobe of the liver. We describe a successful surgical approach with cyst unroofing and careful evacuation of the multiple daughter cysts by aspiration, and the effective management of the residual cavity by the combination of all three aforementioned techniques.

Zoonotic diseases accounts for about 75% of emerging infectious disease and can be devastating to both human and animal health globally. A subset of zoonotic diseases is referred to as "neglected zoonotic diseases - NZDs" as they mainly affect poor populations who live in close proximity to domestic or wild animals often in areas where access to health and adequate sanitary facilities are not available. Furthermore, underestimation of the burden of NZD has continually led to its further neglect in least developed countries such as Nigeria. Controlling zoonotic infections including NZDs in animals is crucial in reducing human infections. Veterinarians provides an understanding of the epidemiology of infectious diseases in animal population and are therefore integral for the overall reduction in global burden of NZDs worldwide. Due to the current lack of and in some cases weak involvement of Veterinarians in policy issues related to zoonotic diseases, there is need to elucidate their importance in NZDs control in Nigeria. This review therefore summarises the neglected zoonotic diseases so far documented in Nigeria and also highlight the important role of the Veterinarian in their prevention and control within both human and animal population. Important recommendations to strengthen the role of the public health Veterinarian for sustainable control of NZDs were made.

We here report the case of B.J, an 83-year-old patient with no previous history, presenting with intermittent abdominal pain evolving over the last few months. Physical examination revealed the presence of a firm, sub umbilical mass that was tender to palpation. Ultrasound showed two multi vesicular hydatid cysts (Gharbi’s classification type 3) located in segments III and IV of the liver and multilocular right latero-uterine cyst. Serologic test was positive. Tumor markers were negative. Abdomino-pelvic computed tomography (CT) scan showed two adjacent multi vesicular hydatid cysts in the left side of the liver measuring 60x40 mm (A), and a multi vesicular right latero-uterine pelvic hydatid cyst measuring 110x80 mm pushing the bladder forward and the uterus to the left (B). Surgical exploration revealed the presence of left hepatic cysts (C) and a huge hydatid cyst arising from the right edge of the uterine body (D). Resection of the salient domes was performed. All the precautionary measures were implemented to avoid possible peritoneal dissemination. Anatomopathological examination confirmed the diagnosis of hydatid cysts. One-year CT scan did not show any local or peritoneal recurrence. [ABSTRACT FROM AUTHOR]

Résumé L’hydatidose hépatique ou kyste hydatique du foie (KHF) est une affection fréquente dans les zones d’élevage de forte endémicité comme le Maghreb et le Moyen-Orient. Si elle reste une affection bénigne, son évolution naturelle est souvent émaillée de complications pouvant mettre en jeu le pronostic vital des patients d’où l’intérêt d’un diagnostic rapide suivi d’un traitement adéquat. Le diagnostic positif des KHF repose sur les examens morphologiques, notamment l’échographie qui permet de visualiser les kystes et de suspecter les complications. La sérologie hydatique garde une place dans la stratégie diagnostique et surtout dans la détection des récidives hydatiques après traitement. Summary Hepatic hydatidosis or hydatid cyst of the liver is a common condition in endemic areas such as the Maghreb and the Middle East. If it remains a benign condition, its natural evolution is often enameled by complications that may involve the vital prognosis of the patients, hence the interest of a rapid diagnosis followed by an adequate treatment. The positive of hydatid cyst is based on morphological examinations, especially ultrasound, which allows to visualize the cysts and to suspect complications. Serology is useful in the detection of recurrences after treatment. [ABSTRACT FROM AUTHOR]

Cerebral hydatid disease is very rare, representing only 2% of all cerebral space occupying lesions even in the countries where the disease is endemic. Intracranial hydatid cysts are more common in children and occur more frequently in the supratentorial space. The aim of this paper is to describe the characteristic features of computed tomography (CT) and magnetic resonance imaging (MRI), and to determine the clinical presentation and surgical outcome of cerebral hydatid disease. A 7-year-old girl was admitted to the emergency department because of an epileptic attack. On radiological examination a round, cystic lesion appeared in the parietal lobe and caused shift of the midline structures. The cyst was successfully removed using the dowling technique. The postoperative period was uneventful and seizures were not seen during follow up. Hydatid cyst of the brain presents clinically as intracranial space occupying lesion and is more common in children, it is well demonstrated by CT and MR examinations, and Surgery is the treatment option with affordable morbidity and low mortality.

Résumé: Introduction: Une lésion osseuse ostéolytique n’est pas toujours révélatrice d’une pathologie néoplasique. Observation: Nous rapportons l’observation d’une femme de 82ans splénectomisée dont le bilan de douleurs sous-costales révélait une masse hépatique calcifiée et une lésion vertébrale ostéolytique de L5 attribuée à une localisation osseuse d’échinococcose alvéolaire. Ce diagnostic était basé sur l’aspect typique de la masse hépatique hétérogène associée à une sérologie positive pour l’échinococcose alvéolaire. Conclusion: À notre connaissance, il s’agit du premier cas d’échinococcose alvéolaire chez un patient splénectomisé. Cet antécédent pourrait avoir constitué un facteur de dissémination du parasite. [ABSTRACT FROM AUTHOR]

Hydatid cysts located in the interatrial septum are especially rare but when they occur, they might cause intracavity rupture. We report on a patient with acute pulmonary embolism caused by an isolated, ruptured hydatid cyst on the right side of the interatrial septum. A 16-year-old-boy with an uneventful history was hospitalized for exercise-induced dyspnea and blood expectorations. Multiple and bilateral opacities were visualized on standard chest x-ray. Signs of right-sided hypertrophy were seen on ECG. Imaging findings led to the diagnosis of pulmonary embolism complicating cardiac hydatid cysts. An operation was performed through median sternotomy to remove the cardiac cyst. The pleural cavity was entered through the fifth intercostal space to withdraw lung hydatid cysts. Operative recovery was uneventful and the patient resumed his normal activities 19 months later. Prompt diagnosis and an appropriate surgical treatment prevented a potentially fatal outcome

Résumé: But de l’étude: La présente étude rapporte une série de 290 cas d’hydatidose confirmés par la chirurgie et/ou par l’imagerie avec un immuno-diagnostic positif colligés entre le 1er janvier 2006 et le 31 mars 2011 au laboratoire de parasitologie-mycologie du CHU Mustapha d’Alger. Notre but est de préciser, à travers les cas recensés, les aspects épidémiologiques de cette affection et de comparer nos résultats avec ceux obtenus lors de deux enquêtes épidémiologiques algériennes précédentes réalisées, entre 1963–1964 et entre 1966–1975. Patients et méthodes: Il s’agit d’une étude rétrospective (2006–2008) et prospective (2008–2011). Le diagnostic parasitologique a été effectué par l’identification directe macroscopique et/ou microscopique du parasite et indirecte, réalisé par quatre techniques sérologiques : hémagglutination indirecte, Elisa IgG ű Echinococcus granulosus Ƈ, Western Blot IgG ű Echinococcus Ƈ et immunoélectrophorèse. Résultats: Cette étude montre que cette affection est toujours l’apanage du jeune adulte. Il en ressort également que l’enfant d’âge scolaire (dix ans), en particulier le garçon, paie un lourd tribut. Chez l’enfant, le siège pulmonaire préférentiel de la maladie hydatique n’est pas dépourvu de risque. Chez l’adulte, cette parasitose affecte majoritairement la femme active. Conclusion: D’une façon générale, les caractéristiques épidémiologiques et cliniques rejoignent les données des pays endémiques et confirme le rang de notre pays parmi eux. La transmission semble aussi forte que par le passé, malgré un niveau actuel d’instruction sociale bien meilleur. [ABSTRACT FROM AUTHOR]

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Summary: Hepatic alveolar echinococcosis is a rare parasitic zoonosis, potentially lethal in childhood. It is due to Echinococcosis multilocularis whose larva insidiously develops in the liver. We report the case of a 13-year-old girl, living in the Vosges Mountains, followed for recurrent abdominal pain, with recent worsening. Diagnosis of alveolar echinococcosis was immediately suspected based on the liver ultrasound scan and then confirmed by imaging (CT scan, NMR) and serology. A curative surgical treatment (segmentectomy) was performed 3 months after diagnosis, under oral albendazole treatment, maintained for at least 2 years. Hepatic alveolar echinococcosis usually has a negative prognosis, except if diagnosed early, which allows rapid surgical treatment, as in our patient. [Copyright &y& Elsevier]

Summary: The retrovesical location of hydatic cyst is rare especially in children, even in endemic areas. Its diagnostic can be difficult especially in the absence of other sites. Objectives: To study the clinical, radiological and means of therapeutic management of retrovesical hydatic cyst. Patients and methods: Retrospective study of four cases of children with retrovesical hydatic cyst collected over a period of 13years in pediatric surgery department “B” Children''s Hospital of Tunis. Results: There are two boys and two girls whose average age is 7years 8months. The clinical signs were pelvic pain in three cases, dysuria in one case associated with a pelvic mass in two cases. All patients underwent abdominopelvic ultrasonography that has objectified a retrovesical cystic mass in all cases. A supplement pelvic MRI was required in two cases, and pelvic CT in one case. The preoperative diagnosis of retrovesical hydatic cyst has been made in two cases. All patients underwent surgery and resection of the protruding dome of the cyst and drainage with uneventful postoperative course. Conclusion: Whatever its clinical expression, the diagnosis of retrovesical hydatic cyst is mainly based on ultrasound. CT is necessary in case of doubt. Treatment by resection of the protruding dome and drainage of the residual cavity is sufficient in children. [Copyright &y& Elsevier]

Abstract: Purpose of the study: Our aim was to study the distribution and the fertility of the hydatid cysts in function of the age and the sex of patients and to identify the strain(s) responsible(s) of the children hydatidosis. Patients and methods: We have analyzed a total of 241 cysts coming from 195 children aged 2 to 16 years operated in the CHU F. Bourguiba of Monastir during the period from November 1999 to December 2009. For each cyst, the localization and the fertility of the métacestode as well as age, sex and origin of the patient are listed. Identification of strains was carried out by PCR/RFLP and has targeted the ribosomal gene ITS1. Results: The lung was the primary localization of cyst (61.8%) followed by the liver (34.85%). The greatest number of cases is observed in the age groups 4–9 years (138 cases) where children''s infection is more frequent in the male than in the female sex. The fertility of the cyst was independent of its site or its size and no incidence of age of children was detected. The G1 sheep strain is responsible for the contamination of children. Conclusion: The cystic echinococcosis described as a young adult disease may actually observed at any age and remains a serious problem of public health in Tunisia. [Copyright &y& Elsevier]

Copyright of Bulletin de la Société de Pathologie Exotique is the property of John Libbey Eurotext Ltd. and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Abstract: Echinococcosis is a widespread zoonosis which is endemic in most sheep-raising countries. Primary isolated muscular localisation is uncommon even in these endemic areas. The authors report a rare case of primary hydatid cyst localized in the myotendinous junction of the flexor digitorum profundus. According to our review of the medical literature, there are no reports of a similar case, making ours the first such report. [Copyright &y& Elsevier]

Abstract: Hydatid pulmonary embolism is rare but serious. The cause is usually the rupture of a cyst in the right cardiac chambers and less frequently the opening of an hepatic cyst into the venous circulation. We report two cases of hydatid pulmonary embolism following the rupture of a cyst in the right atrial cavity in one case and fistulisation of an hepatic cyst into the inferior vena cava in the second case. The course is dramatic in the two cases. [Copyright &y& Elsevier]

The article presents the study conducted regarding the possible effects of cytokine production on the spread hydatid disease in human. The scheme will examine the production of the T helper cells(Th1/Th2) of cytokines in the diseases to determine the impact of the helper cells ratio in the evolution of the pathology. Hydatidosis is considered as a serious parasitic disease associated with the infection on the metacestode of the tapeworms Echinococcus granulosus. The result shows that Th1 cytokines are lined to the protective immunity while Th2 cytokines are the cause of diseases susceptibility which associated to clinical complications, chronicle age and secondary locations.

Summary: Subcutaneous localization of hydatid cyst is uncommon even in endemic zone. Symptoms are often discrete. Diagnosis is confirmed by imaging: ultrasonography and/or magnetic resonance imaging, thus avoiding any untimely gesture. The treatment is surgery. Authors report a case of unusual subcutaneous localization of solitary hydatid cystis in the gluteal area. [Copyright &y& Elsevier]

Abstract: The cardiac location of the echinococcosis is rare. It is associated with complications potentially severe. Indeed, the break inside the cardiac chambers with pulmonary embolism is the inevitable complication of the echinococcosis of the right heart. Between January 1992 and January 2006, five patients were operated in the department of cardiac surgery of Sousse (Tunisia) for an emboligenous hydatid cyst of the right heart. The average age is of 30 years with extremes from 18 to 65 years. The cardio-pulmonary bypass is the technique of choice. We regretted a single death in immediate postoperative period. All the patients were controlled with an average recession of 36 months. A single late death was noticed. No recurrence was observed. [Copyright &y& Elsevier]

Abstract: In some countries, Hydatidosis is a common public health problem but cardiac hydatid cysts are rarely observed. The evaluations of operative results and follow up of cardiac hydatid cases. Twenty-five consecutive unselected patients suffering from cardiac hydatidosis and operated on between 1967 and 2006 in Siyami Ersek Cardiothoracic and Vascular Surgery Center were retrospectively analyzed. In 10 of these patients the hydatid cyst was intracardiac, while in 13 patients cysts were extracavitary but located into the pericardium. In 2 patients the hydatid cyst was both intra and extracavitary. Mean age of the patients was 31±9.2. The female/male ratio was 17/8. The 12 patients with intracavitary and 2 patients wit extracavitary hydatid cysts were operated on with the aid of extracorporeal circulation. One patient died postoperatively. In one patient recurrence of the hydatidosis was observed. The majority of cases in previous publications were located in the left side of the heart. In our series, most were located in the right heart. In such cases clamping the pulmonary artery is mandatory to prevent pulmonary migration. Careful resection is important for prevention of recurrence. [Copyright &y& Elsevier]

Abstract: Introduction: The hydatid cyst of Echinococcus granulosus tends to develop in liver. The primary bone hydatidosis is rare. Exegisis: The authors report 2 cases of primary hydatidosis of bone in a 57 year old men and 60 year old diabetic women. The symptoms and signs were not specific. The ultrasound investigation: standard radiography and computed tomographic scan, was suggestive of the lesion. The chest radiograph and the abdominal ultrasound were normal. Serological tests for hydatid disease were positive. The two patients have surgical excision and medical treatment: Albendazole administrated for 6 months. Histologic evidence confirmed the diagnosis. The outcome was good for both patients without recurrence after 2 years. Conclusion: Through these 2 cases and a review of the literature, the authors analyse the epidemiological and clinical aspects of bone hydatidosis and discuss the therapeutic procedures. [Copyright &y& Elsevier]

Abstract: Objectives: To analyse the radioclinical forms of pulmonary hydatid cyst in children, and to evaluate the results of surgical treatment. Patients and methods: During a period of 4 years (2002-2005), 26 surgical procedures were performed for pulmonary hydatid cyst in 23 children (16 boys and 7 girls, mean age 13, 5 years). Symptoms were chest pain (87%), broncho-pulmonary infection (32%) and hemoptysis (22%). Chest x-ray showed a non-complicated cyst in 62% of cases. The CT scan was performed in 15 cases (65%), mainly for complicated forms. Abdominal echography for all patients showed 3 hepatic localisations of hydatid cyst. All the patients underwent surgical treatment by thoracotomy. Results: In a total of 34 cysts, 21 were uncomplicated, 13 complicated (intra-bronchial rupture: 11 cases, pleural rupture: 2 cases). Cystectomy or pericystectomy were performed in 91% of cases, segmentectomy in 6% and a lobectomy in 3%. Decortication was done in the 2 pleural-ruptured cases. There was no mortality. One lower left lobe atelectasis was observed post-operatively. Conclusion: Conservative surgical techniques for pulmonary hydatid cysts in children are preferred to parenchyma resection. In our practice the treatment of bilateral hydatidosis in 2 times decreases the complication rate. [Copyright &y& Elsevier]

Abstract: The cerebral localization of the hydatid disease is rare, under 2%, and it primarily affects children. We report 4 cases of children presenting with a cerebral hydatid cyst (2 boys and 2 girls, mean age 9 years). Clinical symptoms were very progressive, the disease was frequently diagnosed several months (1–12 months) after onset of symptoms most often headaches and vomiting. One patient presented with a right tonic-clonic seizure 3 days before hospitalization. The diagnostic was confirmed in all cases by Cerebral CT scan. All the patients were screened for other localizations. One patient also presented with pulmonary and hepatic hydatid cysts. Hydatid blood tests were positive in only one case. The treatment was surgical for all the patients (using hydropulsion) without complications in 2 cases. One child presented with meningitis, and the other child with signs of secondary ICHT related to residual mass which required its puncture. [Copyright &y& Elsevier]

Abstract: Introduction: Primary hydatid cyst of thyroid gland is an exceptional localization. The thyroid gland is an uncommon site even in Morocco where echinococcal disease is endemic. The aim of this study was to report our experience of this rare disease, and to review diagnosis problems and management. Patients and method: Retrospective study of six patients with primary hydatid cyst of thyroid gland during a 4-year period. Results: We report six cases of primary hydatid cyst of thyroid gland. Symptoms were isolated thyroid nodules. Diagnosis was based on echography and echinococcal immunologic test. However, hydatic origin was suspected in only 50% of patients preoperatively and immunologic test had 33% false positive rate. Surgical management was a lobo-isthmectomy with a total resection of the cyst in four cases (67%) and a resection of the cyst prominent dome in two cases (33%). Diagnosis was always confirmed by macroscopic aspects and pathology. In all cases, the postoperative course was uneventful and no recurrence occurred with a 19 months follow up. Conclusion: Primary hydatid cyst of thyroid gland is a potential but rare situation. Positive diagnosis can be difficult during preoperative period. Cyst size and diagnosis doubt are two crucial criteria to decide the optimal surgical strategy (lobo-isthmectomy with total cyst resection vs resection of the cyst prominent dome). [Copyright &y& Elsevier]

Abstract: The authors report the case of a vertebromedullary hydatidosis revealed by medullar compression in a 40-year-old male patient. Magnetic resonance imaging showed lesions of the seventh and eighth dorsal vertebras, cystic lesions in the epidural space and in the perivertebral soft tissues. Surgical excision lead to clinical cure. Vertebromedullary hydatidosis is rare and severe. Modern techniques of imaging are very helpful for the diagnosis and the follow-up of patients after treatment. [Copyright &y& Elsevier]

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Copyright of EMC-Anesthesie--Reanimation is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Abstract: Primary hydatid cyst of adrenal gland is still an exceptional localization. The adrenal gland is an uncommon site even in our country in which echinococcal disease is endemic. We report two cases of primary hydatid cyst of adrenal gland presented with isolated abdominal pain. The diagnosis was based on CT-scan, which showed a cystic mass of respectively the right and left adrenal gland with a calcified wall. The echinococcal immunologic test (Elisa) was positive in one case. The surgical treatment consisted on a total resection of the cyst, without rupture of the cystic wall and preserving the gland. The diagnosis was confirmed on the macroscopic examination of the resected pieces. In the first case the cyst was multilocular filled with daughter cysts and in the second case the cyst was unilocular filled with hydatid membrane and clear fluid. In the two cases, the postoperative course was uneventful. No recurrence had occurred respectively after 24 months and 36 months of follow up. [Copyright &y& Elsevier]

Hydatid cystic disease is still a significant clinical problem in endemic countries. Hydatid cysts are usually located in the liver and lung. Mediastinal hydatid disease is very rare. We present the case of a 16-year-old girl who has undergone surgery for pulmonary hydatic cyst at age of 12 years. She had pain in the right hemithorax with progressive dysphagie, dysphonea and dyspnoea. In the X-rays of the thorax a mediastinal enlargement was noted. The ultrasonography and MRI of the thorax show multiple cystic mass evocating recurrence of cystic disease. The treatment was surgical. Favourable evolution was noted. [Copyright &y& Elsevier]

Acute pancreatitis caused by hydatic cyst of the liver was rarely reported. The authors report a new case of hydatic pancreatitis characterized by visualization of hydatid membranes in the biliary tract without any biliary stone or alcoholic consumption. [Copyright &y& Elsevier]

Introduction. – Osseous hydatid disease is defined as development within bone of multiple cysts that are the larval form of the tapeworm Echinococcus granulosus. Bone cysts account for only 0.5 to 2.5% of all hydatid cysts in humans. We report on our experience.Methods. – This retrospective study included patients managed between 1988 and 1998 for histologically documented hydatid disease of bone.Results. – Eleven patients were included, 6 men and 5 women, with a mean age of 40.7 ± 11.04 years (range, 27–60 years). Mean time to diagnosis was 22.7 ± 18.2 months (range, 5–36). The pelvis was involved in 6 patients and a long bone in 5 (the femur in 3, the tibia in 1 and the fibula in 1). Peripheral eosinophil counts were high in 4 patients and serological tests for hydatid disease were positive in 5 patients. Surgical treatment was used alone in ten patients and with albendazole in 1 patient. The main complications were fistulization (n = 6) and suppuration (n = 4). Five patients experienced recurrences.Conclusion. – Hydatid disease still occurs in Morocco. The liver and lungs are the most common targets. Bone cysts are uncommon but severe. the behavior of osseous hydatid cysts resembles that of locally malignant lesions. Although immunofluorescent assays are useful, the final diagnosis depends on histology. The treatment rests on surgical excision. Recurrence is common, particularly at sites that are difficult to access. [Copyright &y& Elsevier]

The hydatid cyst of kidney is rare, it ranks third among all visceral localisations. The authors report a series of 90 cases renal hydatid cyst from 1972 to 2000. The middle age is 36 years with female predominance. Renal hydatid cyst often has a suggestive clinical presentation; flank mass in 84%, pain in 74% and sometimes a specific presentation hydaturia in 29%. The hydatid serology is positive in 55% and prefering ultrasonography and computed tomography in diagnosis of renal hydatid cyst. Surgical treatment is now well defined. Conservative treatment occupes a predominant place 84% and resection of the proeminent dome is usually effiscient. Total nephrectomy should only be considered in the case of a completely destroyed kidney (16%) of cases. Post-operative course is generally uneventful and reexpansion of renal parenchyma is observed in 93% indicating the benign nature of this disease. [Copyright &y& Elsevier]

Echinococcosis or hydatid cyst disease of the kidney is extremly rare in children and constitutes only 2–4% of all cases of hydatid disease. We present six pediatric case of hydatid cyst of the kidney. The presentation is a cystic space occuping lesion of the kidney. Three patients have another involvement (lung, liver, and brain). Several diagnostic methods are available, ultrasonography may be sufficient. Surgical conservative treatment is still necessary, range from excision of the cyst. Significant surgical morbidity can be expected. [Copyright &y& Elsevier]

Objective: Surgery remains the ideal treatment for hydatid cysts. However, medical treatment with albendazole can be eficient and can, in some circumstances, replace surgery.Patients and methods: We report three cases of multiple hydatid cysts considered inoperable and treated by albendazole. The evaluation of results was based on computerized tomography. Cure was defined as disappearance of the cyst and improvement was defined as a clear decrease (at least 25%) of its size or a clear increase of the cystic density.Results: Cure was obtained in 41% and improvement in 50% of 22 cysts.Comments: The efficiency of chemotherapy in hydatidosis is well proved. Medical treatment is indicated when surgery is not possible and to reduce post surgical dissemination and relapse. Indications, optimal protocols, and criteria of good response should be standardized and evaluated in large series so as to optimize medical treatment. [Copyright &y& Elsevier]

Résumé: Le kyste hydatique tubaire est une localisation exceptionnelle, dont le diagnostic est le plus souvent réalisé en peropératoire. Une patiente âgée de 44ans, sans antécédents pathologiques notables, a été adressée pour masse pelvienne de découverte fortuite. Le diagnostic en peropératoire confirmé par l’étude histologique extemporanée était celui d’un kyste hydatique tubaire droit ; le traitement a consisté en une salpingectomie droite. Le kyste hydatique pelvien, et en particulier tubaire, est une localisation rare. La clinique et la biologie sont d’un très grand secours pour le diagnostic du kyste hydatique mais seule l’étude histologique permet de le confirmer. Le traitement de la localisation tubaire du kyste hydatique est chirurgicale et souvent radicale (salpingectomie). [ABSTRACT FROM AUTHOR]