middle ear cavity

Playlist contributed by: ali labeeb alwan

1-congenital cholesteatoma.. occurs within mesotympanum(anterosuoerior portion of middle ear cavity) 

2-cholesterol granuloma of middle ear: as in petrous apex,  s/s 

  • conductive hearing loss
  • dizziness
  • cranial nerve dysfunction, e.g. CN VII

3-glomus tympanicum: origin at cochlear promontory, enculf the ossicles (no erosion), bright enhancement.(cholesteatoma=erosion) 

MRI:multiple flow void-vessels- in the tumor (salt and pepper appearance). 




Playlist information

rID: 10758
Visibility: public

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