恶性组织细胞病,简称恶组,临床表现复杂多变,缺乏特异性。皮肤型恶组罕见。笔者诊治1例,报道如下。病历摘要:患者王某,男,32岁。1984年7月5日入院。入院前2个月患者发现背部有一肿块,不痛, Malignant histiocytosis, referred to as evil group, the clinical manifestations of complex and varied, the lack of specificity. Skin evil group rare. I diagnosis and treatment of a case, reported as follows. Medical records summary: Patient Wang, male, 32 years old. July 5, 1984 admission. 2 months before admission, the patient found a lump on the back, no pain,