美丽筒线虫为牛、羊、猪等动物体寄生虫,人体病例偶见。此虫常寄生在人体的口腔,上、下唇、颊粘膜、舌下、扁桃腺体附近等处。多数病人自觉口腔内有虫体在活动,齿痛,咽痛和痒感。视诊常于唇和口腔粘膜上见到丘疹、水泡,其内有该虫寄生。我们于1982年陆续发现三例。现报告如下: 例一:江苏铜山县人,男,13岁,口腔常感有异 Beautiful tube worm for cattle, sheep, pigs and other animal parasites, human cases of occasional. This worm often parasites in the human body’s mouth, upper and lower lip, buccal mucosa, sublingual, almond near the tonsils. Most patients conscious of oral worms in the activity, toothache, sore throat and itching. Visually see the lips and oral mucosa to see pimples, blisters, parasites inside the worm. We found three cases in 1982. Now report as follows: Example 1: Tongshan County, Jiangsu Province, male, 13 years old, oral common sense is different