Presentation
Patient with posterior ankle pain.
Patient Data
Age: 50 years
Gender: Female
From the case:
Stieda process
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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