Pediatric Cholesteatoma

  • Etiology: Nondependent soft tissue in middle ear and mastoid antrum
  • Imaging CT:
    — Erosion of ossicles or scutum or choclear promontory or facial nerve canal
    — Opacification of mastoid antrum
    — Erosion of mastoid air cells and squamosal temporal bone
  • Imaging MRI: Identical to epidermoid
    — T1WI: Hypointense
    — T2WI: Hyperintense
    — DWI: Restricted diffusion
  • DDX:
  • Complications:
  • Treatment: Surgical
  • Clinical:

Radiology Cases of Cholesteatoma

CT of cholesteatoma
Axial CT without contrast of the temporal bones shows an abnormal soft tissue density in the right middle ear.