Incudomalleolar dysarticulation

Case contributed by A.Prof Frank Gaillard

The head of malleus in the attic on the right is seen in isolation; the incus in not present (on a lower slice, not shown). This is in keeping with disarticulation of the incudomalleolar joint. 

Case Discussion

The articulation of the incus and malleus should appear as an ice-cream ball on an ice-cream cone on axial images and should be check area on all scans through the region, especially if head trauma and base of skull fractures are present. 

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Case information

rID: 4850
Case created: 25th Oct 2008
Last edited: 29th Oct 2016
System: Head & Neck
Inclusion in quiz mode: Included

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