Abstract: Objective：To discuss the clinical characteristics, diagnosis and treatment of atypical polypoid adenomyma (APA) of the uterus. Methods：A retrospective study was made of 43 patients with APA, who were pathologically confirmed in Tianjin Central Hospital of Gynecology Obstetrics between 2012-2013. Results：The age of these 43 patients ranged from 17-74, with an average of (47.0±2.3) years. 36 cases (83.72%) had irregular uterus bleeding clinically; 3 cases without symptoms indicated that there were intrauterine light in the body examination. 4 cases were found in the ovarian tumor surgery. 39 patients were performed hysteroscope, among which 28 cases were characteristically polypoid and 11 cases were multipolypoid. 28 cases were located in the uterine cavity. 4 cases were located in the lower uterine segment. 7 cases were located in the cervix. The diameter of polypoid were 1-4 cm. All of the cases were diagnosed by pathology. 34 cases of patients in the resection of lesions under hysteroscopy. 27 cases were successfully operated. 1 case gave up treatment. 15 patients had hysterectomy, among them, 5 patients were deteriorated with carcinoma of endometrium. Conclusions：Although most cases of APA were benign, a few cases were associated with low malignant potential of recurrence. The treatment should depend on the age and epithelial dysplasia degree and reproductive desire of patient, and long-term follow-up is suggested.

Key words: Endometeial neoplasms, Adenomyoma, Hysteroscopy, Ultrasonography