tarsal coalition


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Related to tarsal coalition: calcaneonavicular coalition

coalition

 [co″ah-lĭ´shun]
the fusion of parts that are normally separate.
tarsal coalition 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.
References in periodicals archive ?
We cannot be sure how many of these tarsal coalitions were actually the cause of their symptomatology and whether subtle fibrous and cartilaginous coalitions tended to be less symptomatic than osseous coalitions.
Although not called "true" tarsal coalitions, the "coalition-like" appearance was seen in an additional group of cases (7.
These anatomic changes associated with tarsal coalitions are presumably due to the altered biomechanics that a relatively or completely immobile articulation would place upon the midfoot and hindfoot.
Tarsal coalitions appear to be much more common than previously described, likely because fibrous and cartilaginous coalitions are infrequently recognized by plain radiography.