enchondroma

• age: 10 - 50 yrs
• hands + wrists (50%) -- most common lesion of phalanges

• diaphyseal
• lytic, expansile
• thin sclerotic rim
• may be multilocular in chondrosarcoma

• Ollier disease: multiple enchondromata
• Mafucci syndrome: enchondromata + hemangiomata

© 2002, C.E. Kahn, Jr.
2002-04-18