寄生在人体肠道的蛔虫常有迁移习性,可因患者咳嗽、感冒、发热时向上移动,窜入鼻腔或口腔,但窜入咽鼓管较少见。根据我国文献曾报告过3例。我们临床亦见到一例,现简要报告如下: 患儿付××,女性,3岁,湖南祁东县人。因右耳窜出一条线虫,于1980年2月14日前来就医。 Parasites in the human intestinal Ascaris often migratory habits, may be due to patients cough, cold, fever move up, fleeing into the nose or mouth, but fleeing into the eustachian tube less common. According to our literature has been reported in 3 cases. We also see an example of clinical, is now briefly reported as follows: children pay × ×, female, 3 years old, Qidong County, Hunan. A nematode sprang from the right ear and came to see a doctor on February 14, 1980.