恶性星形胶质细胞瘤极少发生神经外转移,神经外转移可发生于颅骨切开术后,也有未行手术而发生神经外转移者,显然由于血源性播散所致。本文报告一例病人,第三次颅骨切开术前发现鼻内转移,经鼻镜及MRI证实。随后又发现左锁骨上淋巴结、脾、肾、骨多 Malignant astrocytomas rarely occur extraneural metastasis, extranodal metastasis can occur after skull incision, there are no surgery and extranodal evoked, apparently due to blood-borne dissemination. This article reports a patient who was found to have intranasal metastases before the third skull incision and was confirmed by rhinoscopy and MRI. Then found the left supraclavicular lymph nodes, spleen, kidney, bones and more