患者,男性,38岁,汉族,农民。鼻咽部不适,时有异物爬行感及反复流鼻血6个月,于1990年10月5日到我科诊治。半年前曾在河坑喝不洁污水时有山蚂蝗接触史,当时未引起注意,半年来常有鼻咽部不适、鼻塞鼻痛、头痛,偶尔有头晕,鼻咽部时有异物感,自觉蚂蝗常在鼻咽部及后鼻孔之间爬行,尤以晚间睡眠时 Patient, male, 38 years old, Han nationality, farmer. Nasopharyngeal discomfort, sometimes foreign body crawling sense and repeated nosebleeds 6 months, October 5, 1990 to our department for diagnosis and treatment. Six months ago in the river when drinking dirty drinking water when the mountain leech contact history, then did not pay attention, six months often nasopharyngeal discomfort, nasal congestion nasal pain, headache, and occasionally dizziness, nasal pharyngeal foreign body sensation, Leech often conscious crawling between the nasopharynx and the nostril, especially in the evening when sleep