A 50-year-old man presented with a 6-week history of lumbosacral back pain and altered bowel habit without hematochezia. Abdominopelvic computed tomography (CT) revealed a 5-cm rectal mass with obliteration of the fat plane between the mass and the tip of the coccyx that was interpreted as representing a neoplasm(●" Fig.1a). Followinganormal digital rectal exam, colonoscopy revealed a subtle po...

introduction retrorectal cysts are rare benign lesions which are frequently diagnosed in middle-aged females. according to their origin and histopathologic features, retrorectal cysts are classified as squamous-lined (dermoid or epidermoid) cysts, postanal gut (tailgut) cysts, and rectal duplications (enteric or enterogenous cysts, enterocystomas). described in this case report is an extremely ...

BACKGROUND Transanal endoscopic microsurgery (TEM) was originally designed for local endoscopic excision of benign and low-grade mucosal rectal lesions through an endoscopic system. The procedure is particularly challenging for submucosal and retrorectal lesions, as the tumor margins are not well defined. OBJECTIVE To investigate patient and surgical characteristics of TEM as a treatment for ...

etrorectal cystic hamartoma are rare tumors of developmental origin usually diagnosed as an incidental finding in adult patients. We present such a case in a 33-year-old lady who presented with acute retention of urine. Ultrasound abdomen showed a retrorectal cystic mass (15 x 10 cm), which, was confirmed on computerized tomography (CT) scan. Exploratory laparotomy via a lower midline incision ...