Koerner's septum

Koerner's septum is a thin bridge of bone which divides the petrous and squamous portion of the mastoid air cells at the level of the mastoid antrum. It is commonly eroded by middle ear cholesteatomas.

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Article information

rID: 54470
System: Head & Neck
Section: Anatomy
Synonyms or Alternate Spellings:
  • Korner's Septum
  • Koerner septum

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