例句 /

Cavernous hemangiomas may affect the central nervous system, usually asymptomatic and involving the cerebral hemispheres but it may become symptomatic when bleeds or occurs in the brain stem.

Cavernous hemangiomas may affect the central nervous system, usually asymptomatic and involving the cerebral hemispheres but it may become symptomatic when bleeds or occurs in the brain stem.

摘要海绵状血管瘤可能发生于中枢神经系统,临床上通常没有任何症状。