婴幼儿胸腺增大的数字化X线诊断价值

摘要

Objective To analyze the X﹣ray diagnostic value of infant thymus enlargement. Methods A retro﹣spective analysis X﹣ray findings of 21 cases with infant thymus enlargement confirmed clinically. Results X﹣ray of infant thymus enlargement showed that 8 cases with right upper mediastinal sail shaped triangle beside dense shadow, 8 cases with under increased thymus straight edge, the inner edge of the mediastinum had unclear boundaries; right upper mediastinum beside mounds of soft tissue shadow, the most salient points'position of the outer edge was uncer-tain; four cases appeared as the upper left side of mediastinal mass; one case of wing﹣like thymus merger mediastinal emphysema;the children radiographs showed increased density of the anterior mediastinum, and the boundary was not clear. Of 21 cases, 18 cases'diagnosis is correct with the correct rate of 85.7%. Conclusion Digital X﹣ray findings of infant thymus enlargement have certain characteristics , which was the preferred way of diagnosis for infant thymus enlargement.%目的：分析婴幼儿胸腺增大的数字化胸部X线片诊断价值。方法回顾性分析本院经临床证实的21例婴幼儿胸腺增大的胸部X线片征象。结果婴幼儿胸腺增大X线表现为右上纵隔旁船帆状三角形致密影8例，增大的胸腺下缘平直，内侧缘与纵隔分界不清；右上纵隔旁丘状软组织影8例，外缘最突出点位置不定；4例显示为左上纵隔旁肿块影；1例为飞翼状胸腺合并纵膈气肿；患儿侧位X线片表现为前上纵隔密度增高，边界不清晰。本组有18例患儿诊断正确，正确率为86％。结论婴幼儿胸腺增大的数字X线片征象具有一定的特征性，是确诊本病的首选检查方式。