Results Multifocal primary tumor was found in 14 cases,including intracranial meningioma(n=7), glioma(n=2),neurofibroma(n=3)and meningioma(n=2) within spinal canal.

• 结果多原发同源性肿瘤14例,其中多发性脑膜瘤7例,多发性胶质瘤2例,椎管内多发性神经纤维瘤3例,椎管内多发性脊膜瘤2例;