Laparoscopic removal of a pelvic cyst associated with obstructed megaureter and dysplastic renal remnant.

We report a case of a 41-year-old man with a solitary functioning left kidney and history of chronic pelvic discomfort associated with lower urinary tract symptoms. Imaging revealed a large cystic structure in the pelvis attached to a dilated tortuous ureter on the right with congenital absence of the right kidney. The patient underwent laparoscopic removal of the pelvic cyst and dilated right ureter. Pathological assessment revealed mesonephric remnants representing dysplastic renal tissue attached to a dilated and obstructed megaureter, extending into the bladder wall and forming a large pelvic cyst. The patient's symptoms resolved. A laparoscopic approach represents an excellent surgical option for pelvic pathology.