我国首例人体司氏伯特绦虫病——节片形态及流行病学意义

孙新; 陈兴智; 杨小迪; 方强; 胡守锋; 夏惠; 张美华; 王雪梅; 王媛媛

我国首例人体司氏伯特绦虫病——节片形态及流行病学意义

The first case of bertiellosis in China-morphology of the proglottids and the epidemiologic significance of the case

摘要

摘要: 目的:探讨司氏伯特绦虫人体感染在进行病原诊断时对节片的识别及我国发现该绦虫感染的流行病学和公共卫生意义。方法:收集的节片进行活体观察和甲醛固定后观察,测量记录其形态以分析大体标本的形态特点。结果:患者送检节片为数节至10余节甚至数十节相连,呈典型的宽远大于长的特点,在活体时由于虫体遇冷收缩可在一端呈双角状;固定标本每节片平均长0.1cm,宽0.68~1.10cm,外观即显著区别于其它绦虫。结论:司氏伯特绦虫感染者排出的节片因收缩而显著变形,固定后其形态在长宽比例上迥异于其它绦虫,掌握该特征并追溯流行病学线索对诊断具有关键意义。

Abstract: Objective: To explore the identification of the proglottids of Bertiella studeri for providing evidences for the pathogenic diagnosis of human bertiellosis.Methods: The segments were collected from the patient's feces and observed directly' and then fixed with 10% formaline,the morphology data of the proglottids were measured,recorded and analyzed.Results: The segment collected in the patient's feces contained several to more than dozens proglotiids,the average length of the proglottids was 0.1 cm and width 0.68-1.10 cm.The living segment could contract strongly and formed a special biangular end.Conclusions: The shape of the segment collected from the patient's feces could changed remarkably by means of contraction and the morphologic characteristics of the proglottids that the width is far more than its length,both the characteristics and the epidemic data are important clue for bertiellosis diagnosis.

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