Posterior ankle impingement syndrome

Case contributed by Dr Abdallah Al Khateeb


A young patient presented for the evaluation of chronic mechanical ankle pain. Previously he was suspected to have talus bone fracture.

Patient Data

Age: 25 years old
Gender: Male

Ankle joint MRI.

The study shows fluid intensity posterior to the talus bone with an os trigonum. There is no bone edema. The posterior tibial tendon appears unremarkable.

Case Discussion

Os trigonum is a known predisposing factor for the development of chronic mechanical ankle pain. 

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Case information

rID: 39985
Published: 3rd Oct 2015
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included

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