May Be Caused by

 Common

Angiosarcoma

Chondrosarcoma

Ewing sarcoma

Fibrosarcoma

Langerhans cell histiocytosis

Lymphoma

Metastasis

Multiple myeloma

Osteomyelitis

Osteosarcoma

Plasmacytoma

 Uncommon

Adamantinoma

Aneurysmal bone cyst

Brown tumor of hyperparathyroidism

Chordoma

Fibrous dysplasia

Giant cell tumor

Hemangioendothelioma

Hemangioma

Hydatid cyst

Lymphangioma

Malignant fibrous histiocytoma

Paget disease of bone

Syphilis

Yaws