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J Pediatr Orthop B. 2007 Sep;16(5):357-62.

Measurement of soft tissue elasticity in the congenital clubfoot using scanning acoustic microscope.

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Department of Orthopaedic Surgery, Tohoku University School of Medicine, Sendai, Japan.


To compare the soft-tissue elasticity between the medial, lateral, and posterior aspects, the deltoid and calcaneofibular ligaments, and the medial, lateral, and posterior capsular tissues were collected from 27 feet of 16 congenital-clubfoot patients. The tissue sound speed, which closely correlates to the Young's modulus, was measured using a scanning acoustic microscope. Contrary to our expectations, lateral ligament showed a significantly higher sound speed than medial ligament (P=0.0023). Lateral capsule also showed a higher sound speed than the medial one (P=0.0338). The results of the study indicated that the lateral soft tissues including the ligaments and capsule underwent severe contracture in congenital clubfoot.

[Indexed for MEDLINE]

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