GAMUT D-83
MALIGNANT BONE NEOPLASM WITH MARKED PERIOSTEAL REACTION
(may be confused with osteomyelitis)


1. Burkitt's lymphoma 
*2. Ewing sarcoma   
3. Leukemia or lymphoma  in a child
4. Metastasis  (esp. neuroblastoma in a child; prostate or gastrointestinal carcinoma in adult)
*5. Osteosarcoma   
6. Primitive neuroectodermal tumor (PNET)


* Often onion-skin periosteal reaction.