May Be Caused by

 Common

Arthritis

Burkitt lymphoma

Carcinomatosis

Gout

Leukemia

Lymphoma

Metastases

Multiple myeloma

Myelomatosis

Osteomyelitis

Paget disease of bone

Rheumatoid arthritis

 Uncommon

Actinomycosis

Angiomatosis

Blastomycosis

Brown tumor of hyperparathyroidism

Coccidioidomycosis

Cystic-type lymphangiomatosis

Ewing sarcoma

Fibromatosis

Gaucher disease

Hemangiomatosis

Hemophilia with pseudotumors

Histoplasmosis duboisii

Hydatid disease

Langerhans cell histiocytosis

Leprosy

Massive osteolysis

Membranous lipodystrophy

Multicentric bone sarcoma

Multicentric infantile myofibromatosis

Nocardiosis

Osteitis fibrosa cystica

Osteosarcoma

Paracoccidioidomycosis

Polyostotic fibrous dysplasia

Sarcoidosis

Syphilis

Waldenström macroglobulinemia

Weber-Christian disease

Yaws