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KMID : 1103720140710040178
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Journal of the Korean Society of Radiology
2014 Volume.71 No. 4 p.178 ~ p.181
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Incidental Finding of Unilateral Isolated Aplasia of Serratus Anterior Muscle and Winged Scapula on Chest Radiograph: A Case Report
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Choi Joon-Sung
Park Hyun-Jin
Ko Jeong-Min
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Abstract
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The isolated aplasia of the serratus anterior muscle with winging of scapula is very rare, and only a few cases are reported. Here, we present a case of a 30-year-old Korean male who initially presented with a left flank pain. His physical exam did not show any significant finding in his right shoulder. However, his chest radiograph showed absence of right serratus anterior muscle and slightly elevated and medially rotated right scapula. Subsequent CT scan showed the right serratus anterior muscle aplasia and medial winging of the right scapula. This case is unique in two aspects. First, the combination of abnormalities is different from the typical congenital abnormalities involving shoulder girdle, such as Sprengel deformity or Poland syndrome. Secondly, this was incidentally diagnosed with chest radiograph, without clinical impression. Careful reading of chest radiograph can help the radiologists to detect such clinically silent abnormalities.
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KEYWORD
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Congenital, Serratus Anterior, Aplasia, Winged Scapula, Chest Radiograph
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