我国西南地区,水蛭很多,树上和草地上皆常见,也常常有人被水蛭叮咬。但水蛭进入鼻腔长期居留则是罕见的。我们遇到二例鼻出血两月之久的患者,起初我们根本未考虑到是水蛭引起的。长期使用维生素K及凝血质无效,过了几个月,患者自己发现鼻腔有水蛭,取出后鼻衄才好。现将此二病例报告如下。[例1]患者丰××,21岁,男,战士,陕西人。于1962年11月10日晚左鼻孔流少量鲜红色血液,但无鼻阻。此后每日要流血四至五次,左鼻腔并有不适微 Southwest China, many leeches, trees and grass are common, but also often someone leech bite. However, it is rare for leeches to stay in the nose for long periods of time. We encountered two patients who had nosebleeds for two months. At first we did not consider that it was caused by leeches. Long-term use of vitamin K and blood coagulation invalid, after a few months, the patient himself found nose leech, remove the epistaxis was good. Now these two cases are reported as follows. [Example 1] Feng × × patients, 21 years old, male, warrior, Shaanxi. On the night of November 10, 1962, a small amount of bright red blood flow was left in the left nostril, but there was no nasal obstruction. After four to five times a day to bleed since the left nasal cavity and not appropriate