Tarsal coalition - talocalcaneal

Case contributed by Dr Ahmed Abdrabou


Chronic ankle pain with limitation of movement and no history of trauma

Patient Data

Age: 25 years old
Gender: Male

At the middle subtaral joint there is broadening of the talar facet and sustentaculum tali with reduced joint space and irregularities of the articular surfaces. Bone marrow edema is detected on STIR images. Also there is talar peak and pes planus deformity.

Diagnosis: talocalcaneal coalition - fibrous type

Annotated image

Features of talocalcaneal coalition including broadening of the middle subtalar joint articular surfaces (red circle), reduced joint space and irregularity of the articular surface with talar peak (orange circle)

Case Discussion

Tarsal coalition is abnormal fibrous/cartilagenous or bony fusion of two or more tarsal bones. Talar peak develops from excessive force on the talus from abnormal talocalcaneal articulation

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Case information

rID: 26423
Published: 20th Dec 2013
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included

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