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Nervous system



glomus jugulare

  • most common tumor in jugular fossa with intracranial extension
  • origin: adventitia of jugular bulb
  • location: dome of jugular bulb
  • symptoms: tinnitus, hearing loss

  • findings:
    • destruction of posterioinferior petrous pyramid + corticojugular spine
    • soft tissue mass in jugular bulb region, hypotympanicum, middle ear
    • destruction of ossicles (usually incus), otic capsule, posteromedial surface of petrous bone
    • MRI: "salt and pepper" appearance (multiple tumor vessels)
    • angio: hypervascular mass; invasion/obstruction of the jugular bulb by thrombus/tumor; AV shunting

  • malignant transformation with mets to regional nodes (2-4%)

see: paraganglioma (glomus tumor)

Yong H. Hahn, MD  -  2 February 1995
Last updated:  1 October 2013


Related CHORUS documents:
paraganglioma (glomus tumor)
glomus tympanicum
middle ear mass
simple bone cyst
acanthosis nigricans


Copyright © 2013, Charles E. Kahn, Jr.