Pneumoperitoneum, Retropneumoperitoneum, Pneumomediastinum, and Diffuse Subcutaneous Emphysema following Diagnostic Colonoscopy.

Colonoscopy is a widely used diagnostic and curative procedure. Extraperitoneal perforation with pneumoretroperitoneum, pneumomediastinum and subcutaneous emphysema combined with intraperitoneal perforation is an extremely rare complication. We report a case of a 78-year-old woman presented to the emergency department with abdominal pain and diffuse abdominal, chest, neck, and facial swelling appeared after a diagnostic colonoscopy.

Recurrent Urinary Tract Infections due to Asymptomatic Colonic Diverticulitis.

Colovesical fistula is a common complication of diverticulitis. Pneumaturia, fecaluria, urinary tract infections, abdominal pain, and dysuria are commonly reported. The authors report a case of colovesical fistula due to asymptomatic diverticulitis, and they emphasize the importance of deeply investigate recurrent urinary tract infection without any bowel symptoms.

Primary retroperitoneal mucinous cystadenoma of borderline malignancy in a male patient. Case report and review of the literature.

Background: Primary retroperitoneal mucinous cystadenoma of borderline malignancy represents a rare tumor, with unclear histogenesis, concerning almost exclusively women. Only two cases concerning male patients have been reported.

Case Report: We herein report a case of a 37 year old man undergone laparotomy for a sizable retroperitoneal tumor resulting after the histological examination to a primary retroperitoneal mucinous cystadenoma of borderline malignancy.