目的研究化疗对小儿神经母细胞瘤的VEGF表达以及血管形成状态的影响。
Objective to evaluate the effect of chemotherapy on VEGF expression and tumor microvessel formation in neuroblastoma in children.
结果血管内闭塞近端载瘤动脉可使动脉瘤完全闭塞，神经受压和颅内占位症状逐步改善、消失。
Results all the aneurysms were occluded and the space-occupying symptoms disappeared in all the patients.
结论∶文献回顾证实脑神经成血管细胞瘤是极为罕见的病变，散发或与VHL病并发。
CONCLUSIONS: Review of the literature confirms that cranial nerve hemangioblastomas are very rare lesions that occur sporadically or in association with VHL disease.
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