误诊为恶组的反应性组织细胞增生症１例郭亚兰恶性组织细胞病（恶组）的细胞形态学特点是见到比例不等的异常组织细胞、多核巨细胞，我们发现１例患者临床和细胞形态学均拟诊恶组，经进一步诊断及治疗后访属误诊为恶组的反应性组织细胞增生症，现报告如下。患者，女，４２... Reactive histiocytosis of the group misdiagnosed as the evil group The cell morphology of Guo Yalan’s malignant histiocytosis (the evil group) was characterized by abnormal tissue cells and multinucleated giant cells. We found one patient with clinical and cellular abnormalities. All of the morphological diagnoses were considered to be in the negative group. After further diagnosis and treatment, the visit was misdiagnosed as the reactive histiocytosis of the evil group. The report is as follows. Patient, female, 42...