本文报告一例美国士兵在越南患阿米巴痢疾用甲硝哒唑750毫克,一天3次,连续10天的疗法后,获得临床和寄生虫学痊愈,8个月后(回美国后2个月)患者因发热和右上腹疼痛与压痛而住院。同位素扫描检查发现一个大的肝脓疡。肝功能试验也不正常。阿米巴间接红细胞凝集试验阳性,滴度为1:8,192。肝穿刺抽出1毫升红褐色的脓液,镜检时找到包囊前期阿米巴,格兰氏染色和细菌及霉菌培养结果全阴性。大便镜检多次 This article reports a case in which a U.S. soldier was clinically and parasitologically cured after having received 750 mg of metronidazole 750 mg once daily for three days in a day in Vietnam. After 8 months (2 months after returning to the United States ) Patients were hospitalized for fever and right upper quadrant pain and tenderness. Isotopic scan examination revealed a large liver abscess. Liver function test is not normal. Amoeba indirect hemagglutination test positive titer of 1: 8,192. Liver puncture out 1 ml of reddish brown pus, microscopic examination found early amoeba cyst, Gram stain and bacteria and mold culture results were all negative. Stool microscopy many times