bone, cases Week 29: Case 6 April 26, 2023 pathadmin 1. Presented by Edward McCarthy, M.D. and prepared by Angelique W. Levi, M.D.A 14 year old girl had a painful upper arm for a few weeks. Radiographically there was a symmetrical lytic lesion in the metaphysis of the proximal humerus. An MRI demonstrated that this lesion was filled with fluid. /images/EMCcase6xray.jpg/images/EMCcase6a.jpg/images/EMCcase6b.jpg/images/EMCcase6c.jpgUnicameral bone cystFibrous dysplasiaAneurysmal bone cystNon-ossifying fibroma Loading...