label: Proximal humeral epiphysiolysis
label_lc: proximal humeral epiphysiolysis
description: Proximal humeral epiphysiolysis (Little League shoulder) is a shear or stress injury of the epiphyseal cartilage of the proximal humerus. Anteroposterior (AP) view of the shoulder in external rotation showing widening of the proximal humerus physis in comparison to contralateral shoulder with possible metaphyseal bony irregularity.