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Medley和Anderson(1985)对Cheever 1968年发表的103例曼氏血吸虫病尸检材料进行分析后认为,曼氏血吸虫病人体内虫体数与粪中排出虫卵数有相依关系,即粪检中每对虫体所排虫卵数随着配对虫数的增加而减少。对此,Cheever提出如下意见:Medley和Anderson分析时略去了10例其虫卵计数被认为是“非定量的”病人。这10例病人体内检获的平均配对虫体数为5.8对,每对虫体每克粪便的平均虫卵数为3.0,即比Medley和Anderson从其余病人得出的曲线推算出的数值少8倍。故仅仅分析粪便中有虫卵的轻度感染病人,曲线将受明显影响。Lumey和Vermund(待发表资料)最近重新
Medley and Anderson (1985) analyzed the autopsy data of 103 cases of Schistosoma mansoni autopsy published by Cheever in 1968 and found that there was a close relationship between the number of parasites and the number of excreted eggs in the man’s Schistosoma mansoni, that is, The number of eggs arranged by the parasites decreases with the increase of mating insects. In this regard, Cheever made the following comments: Medley and Anderson omitted 10 cases of their eggs count was considered “non-quantitative” patients. The average number of paired parasites seized in the 10 patients was 5.8 and the average number of eggs per gram of faeces per paraphernalia was 3.0, which is eight times less than the figures calculated by Medley and Anderson from the rest of the patients . Therefore, the mere analysis of the lightly infected patients with the eggs in the stool will obviously affect the curve. Lumey and Vermund (to be published) recently re-started