1.病史:患者女性,26岁,住日本冲绳、那霸市。1982年10月6日诉慢性腹泻而来院。对症治疗未见好转,于1983年2月10日行结肠内窥镜检查,见一小线虫钻入近结肠下端的肠壁内,用活组织钳取出虫体后进行对症治疗,腹泻一直持续到1983年4月。患者在冲绳曾有捕捉并摄食各种生鱼史,但否认吃过自日本本土运来的任何鱼类。1982年10月6日实验室检查结果:红细胞464×10~4/mm~3;白细胞5800/mm~3;血红蛋白 1. History: Female patient, 26 years old, living in Okinawa, Japan, Naha City. October 6, 1982 v. Chronic diarrhea and hospital. Symptomatic treatment did not improve in February 10, 1983 colon endoscopy, see a small nematode drill into the intestinal wall near the lower end of the colon, with live tissue removal pliers after symptomatic treatment, diarrhea continued until April 1983. Patients in Okinawa had caught and fed various raw fish histories, but denied having eaten any fish originating in Japan. October 6, 1982 laboratory test results: red blood cells 464 × 10 ~ 4 / mm ~ 3; white blood cells 5800 / mm ~ 3; hemoglobin