蛲虫的异位寄生尤其是侵入肝脏的报告甚为罕见,在过去文献中仅见到两例。第1例是1963年Slais报道的欧洲捷克斯洛伐克人,第2例为1973年Little报道的南美哥伦比亚人。此两例均为男性。本文报道的一例肝脏蛲虫肉芽肿病人是美国的第1例记录。病人为美国阿肯色州一名62岁的妇女,她有结肠腺癌和结肠外科性损伤史。在她第4次住院进行腹部外科探测时,在肝脏发现1个小结节。在切除下的肝脏小结节的组织切片 Ectoparasites of pinworms, especially those that invade the liver, are rare, with only two seen in the past literature. The first is the European Czechoslovakia reported by Slais in 1963 and the second is the South American Colombian reported by Little in 1973. Both cases are men. A case of liver pinworm granuloma reported in this paper is the first case in the United States. The patient is a 62-year-old woman from Arkansas, U.S., who has had a history of colon adenocarcinoma and colon surgery injuries. A small nodule was found in the liver during her 4th hospitalized abdomen surgery. Tissue sections of the small nodules of the liver under excision