May Be Caused by

 Common

Arthritis

Battered child syndrome

Cellulitis

Dactylitis

Decubitus ulcer

Deep abscess

Diabetic ulcer

Eosinophilic granuloma

Ewing sarcoma

Healing fracture with callus

Hemophilia

Juvenile rheumatoid arthritis

Langerhans cell histiocytosis

Malignant bone neoplasm

Osteoid osteoma

Osteomyelitis

Osteosarcoma

Psoriatic arthritis

Reactive periostitis

Reiter syndrome

Reiter/reactive arthritis

Subperiosteal hemorrhage

Trauma

Vascular stasis

Vascular tumor

 Uncommon

Bone infarct

Caffey disease

Chondroblastoma

Hypertrophic osteoarthropathy

Leukemia

Lymphoma

Melorheostosis

Metastasis

Neuroblastoma

Osteoblastoma

Pathologic fracture

Radiation injury

Sickle cell disease

Syphilis

Thermal injury

Tropical ulcer

Yaws