Extra articular hindfoot impingement syndrome

Case contributed by Dr Varun Babu

Presentation

Chronic ankle pain

Patient Data

Age: 20 years
Gender: Female

MRI ankle

Modality: MRI
  • hind foot valgus (angle >20 degrees)
  • extra articular surface edema seen involving lateral talar process and calcaneal sulcus with areas of underlying sclerosis. 
  • decreased joint space involving lateral aspect of posterior talocalcaneal joint. 
  • minimal thickening of calcaneofibular ligament.
  • no calcaneofibular impingement. 
  • minimal ankle joint effusion and retrocalcaneal bursitis. 
  • normal sinus tarsi. 

Case Discussion

A hind foot valgus deformity may result in shift of weight bearing to the lateral half of the subtalar joint resulting in extra articular impingement of the talocalcaneum and eventually calcaneofibular impingement. The sinus tarsi is usually unaffected. 

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Case Information

rID: 47551
Case created: 21st Aug 2016
Last edited: 21st Aug 2016
Inclusion in quiz mode: Included

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