Chronic urinary retention due to diabetic cystopathy masquedering as mesenteric cyst

Description 

A 55-year-old previously diabetic man presented with progressive abdominal distension for the last three months. He denied any bowel/bladder complaints. His medical/surgical history was unremarkable. On examination his vitals were stable and a huge abdominal mass (10x11 cm) was palpable. The mass was having side-to-side mobility. There was no hepatosplenomegaly or clinically significant lymphadenoapathy. On evaluation with ultrasonography of abdomen and CT scan, there was evidence of huge, cystic and homogenous mass (13x11 cm) with clear margins occupying almost entire abdominal cavity (figure 1). There was no evidence of calcification, septations or nodules in the mass, and it appeared to be separate from both the kidneys and bowel. A provisional diagnosis of mesenteric cyst was made, and the patient was taken for laparotomy. A per-urethral catheter was placed intraoperatively and surgery was started. During laparotomy it came as an element of surprise that the swelling was actually chronically distended bladder...

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