Arteriovenous malformation of the uterine cervix.

A uterine arteriovenous malformation (AVM) is an uncommon cause of uterine bleeding. Location of this lesion in the uterine cervix is exceptional. We report a case of a 34-year-old woman who presented with chronic menorrhagias and hypochromic anemia. A sonographic study revealed a 10-cm, fundal, intramural, uterine well-circumscribed mass that distorted the endometrial cavity. The patient underwent hysterectomy for a large uterine leiomyoma. The pathological study revealed an incidental AVM of the posterior half of the cervix measuring 5.5 cm in major diameter. We suggest that in our case cervical AVM might have occurred due to a large corporal leiomyoma distorting the uterine circulation. Differential diagnosis includes capillary hemangioma, venous malformation, or arteriovenous fistula.