May Be Caused by

 Common

Fibrous dysplasia

Meningioma

Osteitis

Paget disease of bone

 Uncommon

Benign infantile myxofibromatosis

Caffey disease

Chronic osteomyelitis

Craniometaphyseal dysplasia

Dermoid

Frontometaphyseal dysplasia

Lacrimal gland carcinoma

Langerhans cell histiocytosis

Lymphoma

Osteoblastic metastasis

Osteoma

Osteopetrosis

Osteosarcoma

Radiation therapy

Thalassemia