 | The routine radiograph of her hand demonstrates a large osteolytic lesion in the proximal end of the proximal phalanx of her little finger. The differential diagnosis includes enchondroma, chondrosarcoma, aneurysmal bone cyst, and giant cell tumor. |
 | The MRI's clearly demonstrate the mass which has markedly expanded the medullary canal in the tumor and has thinned but not completely destroyed the cortex. |
 |
|
 |
|
 | The histosections of the biopsy and intralesional removal demonstrates benign myxomatous cartilage, fibrous tissue and reactive bone. The diagnosis was enchondroma proximal phalanx-active 2. |
 |
|
 |
|
 | Three month post operative radiograph demonstrates that the enchondroma
has been thoroughly curetted and replaced by a large piece of allograft
bone. Patient is doing very well with increasing hand function.
|