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American Journal of Physical Medicine & Rehabilitation:
doi: 10.1097/01.phm.0000237875.90254.4e
Research Article: Musculoskeletal

Ultrasonographic Examination for Inversion Ankle Sprains Associated with Osseous Injuries

Hsu, Chih-Chin MD, PhD; Tsai, Wen-Chung MD, PhD; Chen, Carl P.C. MD; Chen, Max Jin-Lung MD; Tang, Simon Fuk-Tan MD; Shih, Linna MD

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Abstract

Hsu C-C, Tsai W-C, Chen CPC, Chen MJ-L, Tang SF-T, Shih L: Ultrasonographic examination for inversion ankle sprains associated with osseous injuries. Am J Phys Med Rehabil 2006;85:785–792.

Objective: The study attempted to evaluate the value of ultrasonography in determining the therapeutic strategy for patients with osseous injuries caused by ankle sprains.

Design: A 10-MHz compact linear-array ultrasound transducer was used to assess patients with inversion ankle sprains. Eleven female and 12 male patients who had fractures detected by sonograms were included in the study. All 23 patients underwent radiographic examination for identification of fractures. Bone scintigraphy was performed for those who had negative x-ray findings.

Results: Eighteen patients had distal fibular tip fractures, three patients had the fifth metatarsal base fractures, one patient had a talar neck fracture, and one patient had a navicular fracture. These fractures were all detected by ultrasonography and then proved even by radiography or by bone scans. All the 23 patients had anterior talofibular ligament injuries. Among these patients, 11 had anterior ankle-joint recess effusion, and two had additional anterioinferior tibiofibular ligament injuries. Six weeks of immobilization with the ankle fracture brace was prescribed for all the patients after the identification of fractures. Their ankle pain symptoms soon improved.

Conclusions: Ultrasonography is valuable in evaluating tiny foot and ankle fractures and coexistent soft tissue injuries. It can guide the treatment for patients with osseous injuries caused by ankle sprains.

© 2006 Lippincott Williams & Wilkins, Inc.

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