Glomus Jugulare Tumors Guidelines

Updated: Jun 14, 2017
  • Author: Ryszard M Pluta, MD, PhD; Chief Editor: Brian H Kopell, MD  more...
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Guidelines

Guidelines Summary

The Glasscock-Jackson and Fisch classifications of glomus tumors are widely used. The Fisch classification of glomus tumors is based on extension of the tumor to surrounding anatomic structures and is closely related to mortality and morbidity.

  • Type A tumor - Tumor limited to the middle ear cleft (glomus tympanicum)
  • Type B tumor - Tumor limited to the tympanomastoid area with no infralabyrinthine compartment involvement
  • Type C tumor - Tumor involving the infralabyrinthine compartment of the temporal bone and extending into the petrous apex
  • Type C1 tumor - Tumor with limited involvement of the vertical portion of the carotid canal
  • Type C2 tumor - Tumor invading the vertical portion of the carotid canal
  • Type C3 tumor - Tumor invasion of the horizontal portion of the carotid canal
  • Type D1 tumor - Tumor with an intracranial extension less than 2 cm in diameter
  • Type D2 tumor - Tumor with an intracranial extension greater than 2 cm in diameter