附睾肿瘤临床比较少见,占男性生殖系肿瘤的2.5%,其中20%为恶性肿瘤,常为肉瘤包括平滑肌肉瘤、纤维肉瘤,其次为胚胎癌、腺癌~([1,2])。附睾腺癌发生率较低,目前无详细的流行病学分析。我院收治原发性附睾腺癌1例,报告如下。临床资料患者,58岁,布依族,因右侧腹股沟团块伴疼痛1月余入院。1月余前患者突然出现右侧阴囊处红肿,伴阵发性疼痛,左腹股沟处扪及花生米粒大小团块, Epididymal tumors are relatively rare, accounting for 2.5% of male germline tumors, of which 20% are malignant tumors, often sarcomas including leiomyosarcoma, fibrosarcoma, followed by embryonal carcinoma, adenocarcinoma ~ ([1,2]). Epididymal adenocarcinoma of the lower incidence, there is no detailed epidemiological analysis. 1 case of primary epididymal adenocarcinoma admitted to our hospital, the report is as follows. Patients with clinical data, 58-year-old Buyi, due to the right groin mass with pain more than 1 month admission. Patients in January before the sudden emergence of the right side of the scrotum at the inflamed, with paroxysmal pain, the left groin palpable peanut-sized clumps,