The broken heart sign describes the appearances of incudomalleolar disarticulation.
This sign is identified on CT in the coronal plane, being formed by the widening of the incudomalleolar joint and lateral displacement of the short process of the incus relative to the head of the malleus 1,2.
- 1. Pierson NS, Wiggins RH. Don't break my heart: a new sign of subtle malleoincudal ossicular dislocation. In: American society of head and neck radiology 48th Annual meeting, Seattle, Washington; 2014.
- 2. Koontz NA, Seltman TA, Kralik SF, Mosier KM, Harnsberger HR. Classic signs in head and neck imaging. Clinical radiology. 71 (12): 1211-1222. doi:10.1016/j.crad.2016.09.006 - Pubmed