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Updated: Jun 20, 2026

Microvascular Decompression: Salient Surgical Principles and Technical Nuances
10:35

Microvascular Decompression: Salient Surgical Principles and Technical Nuances

Published on: July 5, 2011

Symptomatic postsurgical traumatic neuromas.

Jose N Fayad1, Fred H Linthicum

  • 1House Clinic and House Ear Institute, Keck School of Medicine of the University of Southern California, Los Angeles, California 90057, USA.

Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [And] European Academy of Otology and Neurotology
|September 5, 2009
PubMed
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See all related articles

Traumatic neuromas forming in post-ear surgery scar tissue can cause persistent disequilibrium or pain. These nerve growths in the inner or middle ear are linked to debilitating symptoms after otologic procedures.

Area of Science:

  • Otolaryngology
  • Neuroscience
  • Pathology

Background:

  • Microscopic traumatic neuromas are found in middle and inner ear fibrosis after surgery.
  • These neuromas occur in patients experiencing intractable pain or imbalance.

Purpose of the Study:

  • To investigate the occurrence and clinical significance of traumatic neuromas in postsurgical ear fibrosis.
  • To correlate the presence of neuromas with specific symptoms like pain and disequilibrium.

Main Methods:

  • Histopathological review of temporal bones with and without postsurgical ear fibrosis.
  • Immunohistochemistry using neurofilament markers to identify nerve fibers.
  • Comparison of clinical symptoms in patients with and without identified traumatic neuromas.

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Main Results:

  • Traumatic neuromas were identified in 12 of 20 inner ear fibrosis cases and 5 middle ear fibrosis cases.
  • Inner ear neuromas were associated with persistent disequilibrium in 9 of 12 patients.
  • Middle ear neuromas were linked to otalgia in all 5 affected patients.

Conclusions:

  • Postoperative traumatic neuromas in the inner or middle ear can lead to chronic disequilibrium and pain.
  • These nerve formations in scar tissue are a significant cause of persistent symptoms after ear surgery.