患者男性 ,2 7岁。主诉 4年来常有轻微腹痛 ,腹泻 ,胃痛 ,恶心 ,呕吐等症状。粪便中有白芝麻样小虫数百条 ,曾在当地卫生院诊治 ,给服肠虫清、阿苯达唑治疗 ,效果不理想。1998、1999年又出现排虫现象 ,续用上述药物治疗无效。2 0 0 0年 5月再次排虫后 ,留取标本到我站鉴定。检 Male patient, 27 years old. Chief complaint 4 years often mild abdominal pain, diarrhea, stomach pain, nausea, vomiting and other symptoms. There are hundreds of white sesame-like bugs in the stool, which were diagnosed and treated at a local hospital for treatment of intestinal worms and albendazole. The effect is not satisfactory. In 1998 and 1999, there was a row of worms, continued treatment with the above drugs ineffective. After another row of worms in May 2000, specimens were taken to our station for identification. Check