From the case:
Pes planus - disrupted cyma line
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Pes planus alignment, note the disrupted cyma line with anteroinferior translation of the talonavicular joint.
From the case:
Pes planus - disrupted cyma line
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Cyma line highlighted in red, note the loss of the usual "lazy S" appearance.
Case Discussion
Disruption of the cyma line can occur in pes planus and midtarsal injuries.