Isolated congenital vertical talus (CVT) is a rare pedal deformity recognizable at birth by a dislocation of the talonavicular joint, resulting in a characteristic radiographic near-vertical orientation of the talus. The disease is congenital vertical talus (MONDO_0008652, a Monarch Disease Ontology identifier). Also known as: Charcot-Marie-Tooth disease, foot deformity of, congenital convex foot, congenital convex pes valgus, congenital rocker-bottom foot.