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).
Also Known As:
Posterior Fossa Tumors; Benign Infratentorial Neoplasms; Infratentorial Cancer; Infratentorial Neoplasms, Benign; Infratentorial Neoplasms, Malignant; Malignant Infratentorial Neoplasms; Neoplasms, Infratentorial; Neoplasms, Posterior Fossa; Benign Infratentorial Neoplasm; Cancer, Infratentorial; Cancers, Infratentorial; Infratentorial Cancers; Infratentorial Neoplasm; Infratentorial Neoplasm, Benign; Infratentorial Neoplasm, Malignant; Infratentorial Tumor; Malignant Infratentorial Neoplasm; Neoplasm, Benign Infratentorial; Neoplasm, Infratentorial; Neoplasm, Malignant Infratentorial; Neoplasm, Posterior Fossa; Neoplasms, Benign Infratentorial; Neoplasms, Malignant Infratentorial; Posterior Fossa Neoplasm; Posterior Fossa Tumor; Tumor, Infratentorial; Tumor, Posterior Fossa; Tumors, Infratentorial; Tumors, Posterior Fossa; Infratentorial Tumors; Posterior Fossa Neoplasms