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缩小膜壳绦虫(即长膜壳绦虫)主要寄生于鼠类,鼠的感染极为普遍,但西北诸省迄今未见报道。1983年11月,我们在陕西山阳县进行肠道蠕虫病普查中发现1例,现报告如下。 患者大,8岁,农家儿童。我们系采用饱和盐水漂浮法在普查中发现。为了进一步核实,又多次在患儿粪便中检及典型的缩小膜壳绦虫卵。在镜下虫卵为近圆形,桔黄色。测量15个卵,长径为60～72.5μm,平均66.33±3.4μm;短径为60～64μm,平均61.87±1.46μm。卵壳较厚,亮与胚膜间附有一层半透明的波浪形内膜,胚膜两极无丝状物,六钩蚴清晰可见,呈扇形排列。究与胚膜之间充满透明的胶质体。在高倍镜下可见卵壳周围有放射状条纹,但条纹比猪肉绦虫卵短小。
Narrowed tapeworm (ie, tapeworm) mainly parasites in mice, the infection is extremely common in rats, but so far not been reported in the provinces of Northwest China. In November 1983, we found 1 case of intestinal helminthiasis in Shanyang County, Shaanxi Province, and the report is as follows. Large patients, 8 years old, farm children. We used the saturated brine float method found in the census. In order to further verify, many times in the detection of the case of feces in children and the typical reduction of tapeworm eggs. The eggs are nearly round in the mirror, orange. Fifteen eggs were measured with a long diameter of 60-72.5 μm with an average of 66.33 ± 3.4 μm and a short diameter of 60-64 μm with an average of 61.87 ± 1.46 μm. Egg shell is thick, bright and between the embryo attached with a layer of translucent wavy inner membrane, embryo bipolar no filaments, cercariae clearly visible, fan-shaped arrangement. Between the membrane and the embryo is full of transparent colloids. Visible at high magnification around the egg shell radial stripes, but the stripes shorter than the tapeworm eggs.