May Be Caused by

 Common

Bone cyst

Bone infarct

Bone sarcoma

Enchondroma

Ewing sarcoma

Fibrous dysplasia

Langerhans cell histiocytosis

Metastasis

Myeloma

Nonossifying fibroma

Osteoid osteoma

Osteomyelitis

Plasmacytoma

 Uncommon

Adamantinoma

Brown tumor of hyperparathyroidism

Fibrosarcoma

Hemophilic pseudotumor

Hydatid cyst

Lymphoma

Malignant fibrous histiocytoma

Osteofibrous dysplasia

Osteosarcoma

Paget disease of bone

Syphilis

Tropical ulcer

Yaws