Uterine adenolipoleiomyoma is a benign hamartomatous lesion of controversial origin, with descriptions of exceptional cases published in the literature. We present the case of a 65-year-old female patient who presented an adenolipoleiomyoma in an endometrial polyp incidentally found during a hysterectomy performed for a cervical lesion. The incidental finding consisted of müllerian type glands, smooth muscle and mature adipose tissue.