作者对本组８例颅内脂肪瘤的临床及ＣＴ表现进行分析。根据其脂肪密度，病灶多呈线条状位于中线、边缘性钙化及无占位效应等特征性的ＣＴ表现，特别是伴有胼胝体发育不全更能明确作出诊断。同时提出鉴别诊断的要点，并且对其肿瘤的组织学及发病机理进行讨论。 The authors of this group of 8 cases of intracranial lipoma clinical and CT findings were analyzed. According to its fat density, the lesions were mostly linear in the line, marginal calcification and non-mass effect of CT features such as the performance, especially associated with corpus callosum hypoplasia more clearly make a diagnosis. At the same time, the main points of differential diagnosis are put forward, and the histology and pathogenesis of the tumor are discussed.