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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.

Objective To explore the efficacy, advantages and disadvantages of treating pediatric hydrocele/inguinal hernia with a 1.1 mm diameter transumbilical single-port laparoscopy. Methods A retrospective analysis was conducted for the clinical data and follow-up findings of 30 children with hydrocele/inguinal hernia from January 2022 to August 2023. A STORZ 1.1 mm laparoscope was applied with a homemade Trocar. Based upon the size of incision and the number of puncture holes, they were assigned into three groups of A (a single 1.8 mm umbilical incision, n = 30), B (a single 3.3 mm umbilical incision, n=30) and C (double 3.3 mm umbilical incisions, n = 80). The differences in gender, onset time, age, disease type, lesion site and operative duration (unilateral/bilateral) were compared among three groups. Results In group A, the average operative age was 2.57 years with an average follow-up duration of 5. 22 months. In group B, the average age was 3.81 years with an average follow-up duration of 6.70 months. In Group C, the average age was 2.81 years with an average follow-up duration of 6.38 months. None of them exhibited such postoperative complications as recurrence, iatrogenic cryptorchidism, incision infection or scrotal edema. However, one case (1/80) in group C developed postoperative granuloma at inguinal incision site. No statistically significant difference existed among three groups in terms of gender, type of disease, differences in unilateral/bilateral conditions before and during surgery, operative duration or duration of illness. However, the difference in average age and unilateral operative duration was statistically significant among three groups ( P = 0.03 and P = 0.039 ) . Average age of group A/C was lower than that in group B ( P = 0.012 and P = 0.024). Unilateral operative duration was longer in group A/C than that in group B ( P = 0.045 and P = 0.015 ) . Conclusions As compared to 3 mm single-umbilical-port laparoscopy and 3 mm dual-umbilical-port laparoscopy, 1.1 mm single-umbilical-port laparoscopy for pediatric hydrocele/inguinal hernia has demonstrated consistent surgical outcomes with no increase in postoperative complications. It is a safe and reliable surgery with mini-invasive scars. However, due to a limited number of cases, further experiences and equipment upgrades are required. [ABSTRACT FROM AUTHOR]

Colorectal cancer, with the liver being themost common site of distant metastasis, followed by the lungs and bones. Although reports of metastasis to the testis exist, paratesticular metastasis is extremely rare. A 37-year-old male presented with scrotal swelling. Ultrasound revealed hydrocele of the tunica vaginalis. The patient underwent routine surgical treatment, and postoperative pathology of the tunica vaginalis indicated adenocarcinoma of gastrointestinal origin. Colonoscopic biopsy confirmed adenocarcinoma of the sigmoid colon. After six months of systemic therapy, tumor reduction surgery was performed in conjunction with tunica vaginalis excision. Postoperative pathology suggested histological similarity in both sites, with immunohistochemistry results supporting the diagnosis of sigmoid colon adenocarcinoma metastasizing to the tunica vaginalis. We conducted a literature review, summarizing and discussing clinical presentations, metastatic pathways, and diagnostic approaches. [ABSTRACT FROM AUTHOR]

Well-differentiated papillary mesothelial tumor (WDPMT) is a distinct form of mesothelioma with low malignant potential and is mostly found in the peritoneal cavity. It consists of mesothelial cells with papillary structure and bland cytology. We report a rare case of WDPMT with suspicious invasive foci in the tunica vaginalis. WDPMT with invasive foci is known to have a tendency for recurrence. Therefore, careful attention should be given to properly diagnosing and treating this rare entity. [ABSTRACT FROM AUTHOR]

Well-differentiated papillary mesothelial tumor (WDPMT) is a distinct form of mesothelioma with low malignant potential and is mostly found in the peritoneal cavity. It consists of mesothelial cells with papillary structure and bland cytology. We report a rare case of WDPMT with suspicious invasive foci in the tunica vaginalis. WDPMT with invasive foci is known to have a tendency for recurrence. Therefore, careful attention should be given to properly diagnosing and treating this rare entity.