schwannoglioma

例句：

1. 1. He was diagnosed with aschwannoglioma, which isa rare form of brain tumor.
   他被诊断出患有一种罕见的脑肿瘤，即施万瘤。
2. 2. The patient underwent surgery to removethe schwannoglioma,which had been growing for several years.
   患者接受了手术以切除已经生长了几年的施万瘤。
3. 3. Schwannogliomas are often found in the brain,and their presence can be detected through imagingtests.
   施万瘤通常存在于大脑中，其存在可以通过成像测试来检测到。