班氏微丝蚴主要寄生于下肢深层淋巴管.在前列腺液中查见,较为罕见。现病例报告如下: 患者,男性,43岁,工人。成都市金牛人,家居农村。1986年底,出现尿频、尿急、尿痛和排尿困难。曾在内江市服兵役5年,退伍后常出差到省内的奉节、乐山等县。体检:左下肢腘窝处淋巴结肿大,1.2×1.5cm。前列腺呈Ⅰ度增生。Hb12g％, Bancroftian filarial parasitic mainly in the lower limb lymphatic vessels in the prostate fluid check, is relatively rare. The current case report is as follows: Patient, male, 43 years old, worker. Chengdu Taurus, home rural. The end of 1986, frequent urination, urgency, dysuria and dysuria. Served in Neijiang City, 5 years of military service, often after traveling to the province of Fengjie, Leshan and other counties. Physical examination: the left lower extremity popliteal lymph nodes, 1.2 × 1.5cm. Prostate was grade Ⅰ hyperplasia. Hb12g%,