现就本院近十年所见恶性组织细胞增生症(恶组)17例,结合文献对本病误诊原因、早期诊断、鉴别诊断及预后等有关问题进行简要讨论。临床资料本组包括1972年5月至82年8月我院内科住院的17例患者,均符合1964年“恶组”诊断标准,其中2例经尸解证实. 17 cases of malignant histiocytosis (malignant group) seen in our hospital in recent ten years, combined with the literature on the causes of misdiagnosis, early diagnosis, differential diagnosis and prognosis and other related issues are briefly discussed. Clinical data The group includes 17 patients hospitalized in our hospital from May 1972 to August 82, which are in line with the diagnostic criteria of “evil group” in 1964, of which 2 cases were confirmed by autopsy.