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TIBIAL TORSION, BILATERAL MEDIAL

TIBIAL TORSION, BILATERAL MEDIAL

Tibial torsion (twisting of the tibia) can cause toeing in or out, depending on whether it is internal or external torsion. Although some degree of internal tibi...

Tibial torsion (twisting of the tibia) can cause toeing in or out, depending on whether it is internal or external torsion. Although some degree of internal tibial torsion is present in almost all infants because of the intrauterine position, it usually corrects spontaneously. Persistence of internal tibial torsion may be inherited as an autosomal dominant trait (summary by Fitch, 1974).

▼ Clinical Features
Blumel et al. (1957) reported a family in which 8 persons in 4 generations had bilateral medial tibial torsion. Bowing of the legs was the main clinical feature. No male-to-male transmission was observed.

▼ Inheritance
Fitch (1974) observed 6 affected persons in 3 generations, with 1 instance of father-to-son transmission, suggesting autosomal dominant inheritance.

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