Stieda process

Case contributed by Jheferson Contreras Grande


Patient with posterior ankle pain.

Patient Data

Age: 50 years
Gender: Female

Lateral radiograph shows elongated lateral tubercle of the posterior process of the talus in relation to stieda process.

Case Discussion

Stieda process is an anatomical variant, from fusion of a secondary ossification center at the posterolateral aspect of the talus with rest of the talus.

Differential diagnosis: Os trigonum

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