Colorectal cancer is the most common primary malignancy of the gastrointestinal tract and may present with a myriad of symptoms. We describe a case of a 36 year old man who presented with a urinoma on the right side secondary to ureteric obstruction at the pelvic brim. The urinoma did not resolve by conservative measures and a laparotomy was performed this revealed an unsuspected recto-sigmoid adenocarcinoma compressing the right lower ureter producing the urinoma. An anterior resection, along-with en bloc resection of the involved ureter and a ureteroureterostomy, was performed. This case illustrates that a rectal cancer may masquerade as a urinoma and surgeons should keep in mind pelvic causes, particularly a mitotic lesion of the rectosigmoid, as a differential diagnosis in such cases so that proper management ensues.
Wani, M. M., Rashid, A., Bali, R. S., & Bhat, R. A. (2014). Urinoma as an initial presentation of rectosigmoid cancer. Sri Lanka Journal of Surgery, 32(1), 42–44. DOI: http://doi.org/10.4038/sljs.v32i1.6878