| 释义 |
Tumor,Posterior Fossa | 《英文msh词典》Tumor,Posterior Fossa | | [入口词] Tumor,Posterior Fossa | | [主题词] Infratentorial Neoplasms | | [英文释义] Intracranial tumors originating in the region of the brain inferior to the tentorium cerebelli,which contains the cerebellum,fourth ventricle,cerebellopontine angle,brain stem,and related structures. Primary tumors of this region are more frequent in children,and may present with ATAXIA; CRANIAL NERVE DISEASES; vomiting; HEADACHE; HYDROCEPHALUS; or other signs of neurologic dysfunction. Relatively frequent histologic subtypes include TERATOMA; MEDULLOBLASTOMA; GLIOBLASTOMA; ASTROCYTOMA; EPENDYMOMA; CRANIOPHARYNGIOMA; and choroid plexus papilloma (PAPILLOMA,CHOROID PLEXUS). |
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