颅内星形细胞瘤 ,脑转移瘤很少误诊为脑挫裂伤、脑出血。在无原发肿瘤病史及外伤的情况下有误诊病例 ,笔者在放疗科及 CT室工作期间 ,收集影像误诊 9例 ,报告如下。1　对象和方法9例脑肿瘤伴出血患者中 ,男 5例 ,女 4例 ,年龄 2 1～ 6 6岁 ,平均年龄 4 2岁。 9例中 6例有外伤史 Intracranial astrocytoma, brain metastases rarely misdiagnosed as cerebral contusion, cerebral hemorrhage. Misdiagnosis cases in the absence of primary tumor history and trauma cases, the author in radiotherapy and CT room work, the collection of images misdiagnosed 9 cases, the report is as follows. 1 Subjects and Methods 9 cases of brain tumor patients with hemorrhage, 5 males and 4 females, aged 2 1 ~ 6 6 years, with an average age of 42 years. Six of the nine cases had a history of trauma