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Related Experiment Videos

Extracranial meningioma.

R G Michel, B H Woodard

    The Annals of Otology, Rhinology, and Laryngology
    |May 1, 1979
    PubMed
    Summary
    This summary is machine-generated.

    This study reports a rare case of separate intracranial and extracranial meningiomas with distinct histologic types. The extracranial tumor caused cranial nerve deficits, while the intracranial meningioma was asymptomatic.

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    Area of Science:

    • Neurosurgery
    • Neuropathology
    • Oncology

    Background:

    • Meningiomas are tumors arising from the meninges.
    • Multiple meningiomas are uncommon, and synchronous intracranial and extracranial occurrences are rare.
    • Histologic diversity in separate meningiomas presents diagnostic and therapeutic challenges.

    Observation:

    • A patient presented with a calcified fibrous meningioma in the left neck, causing hoarseness, dysphagia, facial weakness, and hearing loss.
    • A separate, noncalcified syncytial meningioma was incidentally found in the left frontal lobe.
    • The extracranial meningioma led to multiple unilateral cranial nerve disturbances and otitis media.

    Findings:

    • The patient had two distinct meningiomas: a calcified fibrous type (extracranial) and a syncytial type (intracranial).

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  • The extracranial meningioma, likely originating in the temporal bone, caused significant cranial nerve dysfunction.
  • The intracranial meningioma was asymptomatic.

    • Implications:

    • This case highlights the possibility of separate origins for noncontiguous meningiomas.
    • Understanding the distinct origins and histology is crucial for appropriate management of multiple meningiomas.
    • Further research into the pathogenesis of synchronous, histologically different meningiomas is warranted.