Presentation
Chronic pain of the left foot.
Patient Data
Age: 10 years
Gender: Male
From the case:
Congenital calcaneonavicular coalition










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There is a tubular elongation of the anterior calcaneal process "anteater nose sign" with irregularity of the calcaneonavicular joint surfaces as well as bone marrow and soft tissue oedema (secondary stress reaction) with associated joint effusion.
Case Discussion
MRI features of an incomplete calcaneonavicular coalition which is considered with the talocalcaneal, the two most commons subtypes of tarsal coalitions.