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经组织学确诊的27例小儿喉乳头状瘤,对其中21例用E玫瑰花结形成试验,评定细胞免疫水平;对27例用单项免疫扩散法测定体液免疫水平(IgG、IgA及IgM),20例健康小儿作对照。患儿均系足月顺产,发育正常,年龄2～6岁12例,7～12岁15例;既往多有反复上呼吸道病毒感染史,其中14例有过严重急性喉气管炎,5例曾因呼吸困难而行气管切开,复发次数较多者(3～5次/年)20例,较少者7例。喉乳头状瘤呈局限型7例,呈广泛型者20例。血清免疫球蛋白测定结果,27例患儿IgG水平与对照组比较无显著性差异。IgA测定结果在12例2～6岁的广泛型者平均值为0.508±0.04,在8例7～12岁的广
Twenty-seven cases of pediatric laryngeal papilloma diagnosed by histology were evaluated for cell immunity by immunohistochemistry in 21 of them. Erythrocyte formation assay was used in 21 of them. The level of humoral immunity (IgG, IgA and IgM) 20 healthy children as a control. Children were all term full-term, normal development, age 2 to 6 years in 12 cases, 7 to 12 years old in 15 cases; history of repeated upper respiratory tract infection history, of which 14 cases had severe acute laryngotracheitis, 5 cases were Tracheotomy due to dyspnea, recurrence were more (3 to 5 times / year) in 20 cases, fewer in 7 cases. Laryngeal papilloma was localized in 7 cases, showing a wide range of 20 cases. Serum immunoglobulin measurement results, 27 cases of children with IgG levels compared with the control group no significant difference. IgA test results in 12 cases of wide range of 2 to 6 years old average of 0.508 ± 0.04, 8 cases of 7 to 12 years of wide