Ball and socket ankle joint

Case contributed by Dr Chris O'Donnell

Presentation

Long standing ankle pain. Born with 4 toes!

Patient Data

Age: 75
Gender: Male
Modality: X-ray

The ankle joint has the appearance of a ball and socket joint meaning it can articulate in multiple planes not just dorsi and plantar flexion as per usual. Note fusion of the tarsal bones (talus, calcaneum, cuboid and navicular). The middle cuneiform is absent as is the second ray.

Case Discussion

Can be congenital or acquired. In the congenital form it is usually associated with talar fusions and/or absent rays and allows for increased movement at the ankle given that the hindfoot is rigid.

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Case Information

rID: 32818
Case created: 16th Dec 2014
Last edited: 21st Nov 2015
Inclusion in quiz mode: Included

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