Presentation
Ankle stiffness and reduced range of motion.
Patient Data
Age: 45 years
Gender: Male
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Pes cavus alignment (increased Meary’s angle, normal calcaneal pitch) with sinus tarsi "see-through sign" as well as hindfoot valgus with increased talocalcaneal angle.
Large ossicle with irregular sclerotic margins - os vesalianum vs non-united avulsion fracture.
Case Discussion
This is an unusual alignment, which was asymmetric to the left foot (not shown). The underlying cause is not known.