Fact-sheet: Fixed mallear head syndrome
  • House syndrome


Updated on 02/18/2026 at 3:04 PM

Note : 0/10
Share

View all RADEOS cases associated with this fact-sheet

Definition

Malleus head fixation is the congenital and most classic form of attic fixation.

Attic fixations were described by House and correspond to fixations of the ossicular chain to the walls of the tympanic cavity with ankylosis of the chain. They are of:

  • inflammatory origin (tympanosclerosis),
  • post-traumatic origin,
  • or congenital origin (malleus head fixation).

Clinical features

Conductive hearing loss

CT

Diagnosis by non-contrast temporal bone CT with thin sections and multiplanar reconstructions.

Visualization of malleus head fixation to the attic.