【摘要】水蛭是一种生活在水中的寄生体，可通过人们的饮水进入人体，寄生于某个部位。其具有吸血特性，故使受害者出现贫血或便血症状，常与肿瘤难于鉴别。

    【关键词】水蛭；咯血；鉴别

    The nasopharyngeal throat bloodsucker parasites 17 rows reports

    LIU Li-ping

    【Abstract】Bloodsucker is one kind of life sends the living body in the water, the passable people’s potable water has entered the human body,parasites a Yu spot. It has attracts the blood characteristic, therefore causes the victim to appear the anemia or the having blood in stool symptom, often difficulty with distinguishes with the tumor.

    【Key words】Bloodsucker; Hemoptysis; Distinction

    我县地处西部地区 ......