颅内中线脂肪瘤是由于中胚层的脂肪掺合进正在关闭的神经管之中所致 ,临床上少见。现将近期收集的三例中线颅内脂肪瘤病例报道如下。1　临床资料例 1:男 ,3岁。无明显症状、体征患儿因外伤行头颅ＣＴ ,ＭＲＩ检查 ,发现大脑沿胼胝体上缘生长边界清楚的脂肪密度 /信号肿块 ,并延 Intracranial midline lipoma is due to the mesoderm of fat into the closing of the neural tube due to clinically rare. Now collected recently three cases of midline intracranial lipoma reported as follows. 1 clinical data example 1: male, 3 years old. No obvious symptoms, signs of traumatic brain injury in patients with head CT, MRI, found in the brain along the upper edge of the corpus callosum growth boundary clear fat density / signal mass, and extension