美丽筒线虫(Gongy lnema pulch-rum Molin)为动物食道、口腔等处粘膜的寄生虫。成虫寄生于牛、羊、骆驼、马、猪、狗、狐、豪猪、猴、熊、鼷鹿、赤鹿、麝、刺猬、兔和鼠等,在牛、羊体内较常见,人体的感染在文献上仅有少数的病例的报道。本文报道一例人体美丽筒线虫病。病例摘要:患者李××,女性,26岁,家务,河北平山县人,于1971年迁来呼和浩特。患者于1971年11月至1973年元月间在口腔粘膜的不同部位数次发生有异物感,异物感部位可自行移动,并且移动的较快,当时对镜观察见到有线状虫体迂 Gongy lnema pulch-rum Molin is a parasite of the mucosa in the animal’s esophagus, mouth and the like. Adult parasites in cattle, sheep, camels, horses, pigs, dogs, foxes, porcupines, monkeys, bears, deer deer, red deer, musk deer, hedgehogs, rabbits and rats, etc., are more common in cattle and sheep, human infection in the literature There are only a few cases reported. This article reports a case of human tubular nematode disease. Case Summary: Li × ×, female, 26 years old, housework, Pingshan County, Hebei Province, moved to Hohhot in 1971. Patients from November 1971 to January 1973 several times in different parts of the oral mucosa of foreign body sensation, foreign body sensory parts can move on their own, and move faster, when the mirror to see the observed parasitic worms circuitous