1　病例介绍胸腺瘤合并单纯红细胞再生障碍性贫血 (pure red cell aplasia,PRCA)是一种自身免疫性疾病 ,我院 1994年— 2 0 0 1年收治 2例 ,现报告如下。例 1,男 ,5 3岁 ,因胸闷、头晕、乏力伴面色苍白 2月余于 1994年 5月来我院就诊。查体重度贫血貌 ,皮肤黏膜无黄染和出血点 1 case introduction Thymoma combined with pure red cell aplasia (pure red cell aplasia, PRCA) is an autoimmune disease, our hospital from 1994 to 2001, 2 cases were reported as follows. Example 1, male, 5 3 years old, due to chest tightness, dizziness, weakness with pale complexion February more than in May 1994 to our hospital. Check the body anemia appearance, skin and mucous membrane without yellow dye and bleeding points