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Rehabilitation Practice and Science

Translated Title

職棒選手之有症狀的舟上骨意外發現：病例報告

Abstract

Background: Os supranaviculare is a rare skeletal anatomical variation with a prevalence of approximately 1%. Most patients are asymptomatic. Typically, os supranaviculare is discovered incidentally after an ankle injury or when os supranaviculare causes symptoms such as pain during activities or swelling of the ankle,. Os supranaviculare is often misdiagnosed as a stress fracture of the navicular bone or talus. Careful differential diagnosis should be considered to avoid mistreatment. casereport: A 24-year-old male athlete, who is an active Chinese Major League Baseball player, complained of swelling and pain on the dorsomedial side of his left ankle for about six months. He felt persistent pain and discomfort during practices or in competitions. Previous attempts with conservative treatments such as prolonging rest periods or taking painkillers were unsatisfactory. His symptoms progressed, and his left ankle range became limited due to swelling of the ankle. Due to symptoms worsening, he came to Chung Shan Medical University Hospital for medical assistance. A series of examinations were arranged, including X-ray, ultrasound, and magnetic resonance imaging of the left foot due to suspicion of stress fracture. After the examinations, stress fracture, a common etiology of pain in athletes, was excluded, and left os supranaviculare was discovered incidentally. He returned to play training and recovered well after he received ostectomy of os supranaviculare. Conclusion: Although the incidence of os supranaviculare is not high, we should be vigilant at differentiating between os supranaviculare and stress fracture of the navicular bone or talus, since early diagnosis with proper treatment will allow for a better prognosis.

Language

Traditional Chinese

First Page

47

Last Page

52

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