cases, extremity Week 100: Case 1 April 26, 2023 pathadmin Please wait... 1. Presented by Edward McCarthy, M.D. and prepared by Lynette S. Nichols, M.D. A 20 year old year man had knee pain for six months. A radiograph demonstrated a well defined lytic lesion in the proximal tibial epiphysis. The lesion had a sclerotic rim. /images/Lyn/Mc-7-22-02.1.a.jpg /images/Lyn/Mc-7-22-02.1.b.jpg /images/Lyn/Mc-7-22-02.1.c.jpg /images/Lyn/Mc-7-22-02.1.d.jpg /images/Lyn/Mc-7-22-02.1.e.jpgGiant cell tumorChondroblastomaEnchondromaChondrosarcoma Loading...