Medial canal fibrosis

Medial canal fibrosis is characterized by fibrous tissue formation in the medial part of the bony external auditory canal.

Patients can present with conductive hearing loss, otorrhea and/or a history of chronic otitis.

  • a thickened tympanic membrane with edematous and mildly thickened medial external auditory canal mucosa
  • crescentic area of soft tissue thickening overlying the lateral tympanic membrane surface and extending laterally in to fill the medial external auditory canal
  • no bony erosive changes
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Article information

rID: 46948
System: Head & Neck
Synonyms or Alternate Spellings:
  • Idiopathic inflammatory medial meatal fibromatizing otitis (IMFO)
  • Postinflammtry medial canal fibrosis
  • Acquired MCF
  • Chronic stenosing external otitis
  • Acquired atersia
  • External auditory canal medial canal fibrosis

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Cases and figures

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