bone, cases Week 300: Case 4 April 26, 2023 pathadmin 1. Presented by Edward McCarthy, M.D. and prepared by Marc Lewin, M.D.A 21 year-old man had a painful swelling in the tip of his thumb for 6 months. A radiograph demonstrated an expansile lytic lesion in the proximal portion of a metacarpal. This lesion was curettaged./images/2-12-07case4a.jpg/images/2-12-07case4b.jpg/images/2-12-07case4c.jpgMalignant fibrous histiocytomaGiant cell tumorGiant cell reparative granuloma Loading...