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来源：jxradiology
骨骺裂是一种正常变异。它可以是单侧或双侧，最常见的部位是足的第1趾近节趾骨的骨骺。Cleft epiphysis is a normal variant of an epiphysis. It can be either unilateral or bilateral The most common site is the prepiphysis of the first proximal phalanx of the foot.X线平片显示骨骺见透亮状裂隙影；透亮影的边缘是可变的，可能是锐利的或不规则的。骨骺裂可保留至生长板的融合。Radiographic features
Plain radiograph
Plain radiographs will demonstrate a lucent defect in the epiphysis. The borders of the lucency are variable and may be sharp or irregular. The cleft remains till the fusion of growth plate.骨骺裂必须和骨折鉴别。一般骨折损伤2-3周后复查平片可见愈合的迹象。识别这个现象是重要的，以避免过度治疗和不必要的手术干预。Differential diagnosis
A cleft epiphysis has to be differentiated from fracture. Generally fractures demonstrate signs of healing if the radiograph is repeated 2-3 weeks after injury. Recognition of this entity is important to avoid over treatment and unnecessary surgical intervention.Cleft epiphysis意译为骨骺裂，结合临床病史及复查才能和骨折区分。病例图片
骨骺裂
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、
黄箭骨折；蓝箭是骨骺裂。
LEFT a subtle lateral condyle fracture. Less than 2 mm displacement and probably stable. RIGHT a different case. Oblique view gives nice impression of fracture. Blue arrow indicates a cleft epiphysis of the radius (normal variant)引文：https://radiopaedia.org/articles/cleft-epiphysis
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