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结核的诊断在小儿结核诊断方面,结核菌素试验(以下简称OT)具有重要价值。目前,有关OT已弄清的问题,归纳如下:(1)给未接种BCG的婴幼儿做OT,其中弱阳性(发红直径10～14mm)及疑阳性(5～9mm)加在一起可达试验总人数的10%,并且给疑阳性者,再做OT可有64.5%转为阴性;(2)以学校为对象看OT的分布情况是:小学一年级生的发红平均直径(6.7mm)比中学一、二年级(19.1mm)者明显小;(3)4岁以下结核患儿的OT应以发红直径15mm以上,且伴有硬结,双重发
Tuberculosis diagnosis tuberculosis test in children, tuberculin test (hereinafter referred to as OT) of great value. At present, the OT has been clarified the issue, summarized as follows: (1) to infants not infants BCG OT, weak positive (redness diameter of 10 ~ 14mm) and suspected positive (5 ~ 9mm) together up The total number of trials of 10%, and to the suspected positive who do OT can be 64.5% turned negative; (2) to see the distribution of the school for the OT is: the redness of the average primary freshman (6.7mm ) Than the first and second grade (19.1mm) were significantly smaller; (3) OT children under the age of 4 should be red with a diameter of 15mm or more, and associated with induration, double hair