Neoplastic Process
infratentorial neoplasm
Subclass of:
Brain Neoplasms
Definitions related to infratentorial neoplasms:
  • A benign or malignant neoplasm that occurs in brain parenchymal tissue below the tentorium cerebelli.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
  • 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).
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2021
  • A brain tumor is one of the most devastating forms of human illness, especially when occurring in the posterior fossa. Brainstem compression, herniation, and death are all risks in tumors which occur in this critical location.
    Medscape
    WebMD, 2019
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