A case of adenomyomatous polyp (AP) causig acute urinary retention in postmenopausal period is presented. A 65-year-old, G8P8 women admitted to our clinic with the complaint of vaginal bleeding and vaginal mass was identified. During preoperative hospitalization she complained about not able to urinate. Serum urea and creatinine levels increased [66 mg/dL (range= 10-45) and 2,49 mg/dL (range= 0. 6-1.3) respectively]. Emergent abdominopelvic tomography showed vaginal mass and overdistended bladder. Mass was removed by vaginal route and abdominal hysterectomy was also performed. Pathologic examination revealed non-malignant AP with massive necrosis. A variety of female reproductive tract diseases can cause urinary obstruction. Treatment choice depends on reproductive expectance of the patient. J Clin Exp Invest 2011; 2 (3): 312-314.