題目

 B. Parosteal 較有stuck-on appearance 出題老師可能想考parosteal跟periosteal差別，殊不知我根本以為是同一個字 predominantly chondroid matrix results in a lesion that is low in attenuation on CT images and hyperintense on T2 weighted MR images and tend to “wrap around” the circumference of the bone a periosteal reaction common, as sunburst pattern (radiating from the bone surface) or a Codman triangle