恶生组织细胞病（简称恶组）属于淋巴网状组织的一种恶性增殖性疾病。近年来文献报道此病并非罕见，但由于临床表现复杂多样，致使诊断困难，误诊率很高。我院从．1990~1996年共收治恶性组织细胞病患者11例，其中有5例恶性组织细胞病病人，患病初期误诊为其它疾病，现结合临床 Ovary histiocytosis (abbreviated as the evil group) is a malignant proliferative disease of lymphoid reticular formation. In recent years, it has been reported in the literature that this disease is not uncommon, but due to the complex and diverse clinical manifestations, diagnosis is difficult and the rate of misdiagnosis is high. From our hospital. From 1990 to 1996, 11 patients with malignant histiocytosis were treated. Among them, 5 patients with malignant histiocytosis were misdiagnosed as other diseases at the initial stage of disease.