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Related to tarsal coalition: calcaneonavicular coalition
the fusion of parts that are normally separate.
the fibrous, cartilaginous, or bony fusion of two or more of the tarsal bones, often resulting in talipes
planovalgus, although other deformities occur and some patients are asymptomatic; it may be congenital or acquired as a response to trauma, infection, or joint disease. Called also tarsal bar
tarsal coalition An abnormal union of 2 or more bones in the hindfoot and midfoot, which appears on imaging as the so-called “C sign”.
tarsal coalition Orthopedics A block between 2 bones, which may be osseous–synostosis, cartilaginous–synchondrosis, or fibrous–syndesmosis; TCs are often congenital, and first identified in adolescence when the person is being examined for other reasons; TCs may also be acquired due to fractures, tumors, infections, arthritis. See Calcaneonavicular coalition, Lover's heel, Talocalcaneal coalition.