Talocalcaneal coalition

Case contributed by Dr Ahmed Abd Rabou


Right ankle pain and limitation of movement.

Patient Data

Age: 25
Gender: Male

Bony fusion of the middle subtalar joint with talar beak sign from excessive stress on the joint typical for talocalcaneal coalition.

Annotated image

The black circle refers to the bony fusion of the sustentaculum tali and talar middle facet.

The red arrows refers to the talar beak sign from excessive joint stress

Case Discussion

Talocalcaneal coalition is a developmental condition resulting in fibrous or bony fusion of the talus and calcaneous that mostly involves the middle subtalar joint and causes chronic ankle pain.  It is one form of tarsal coalition.

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Case information

rID: 28983
Case created: 24th Apr 2014
Last edited: 14th Dec 2015
Inclusion in quiz mode: Included

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