Focally dense calvarium

Common: Actinomycosis; Anemia; Calcified cephalohematoma; Chronic osteomyelitis; Chronic scalp cellulitis; Coffin-Lowry syndrome; External occipital protuberance; Fibrous dysplasia; Hyperostosis frontalis interna; Meningioma; Mycetoma; Nail-patella syndrome; Ossified subdural hematoma; Osteoblastic metastasis; Osteoma; Paget disease of bone; Sickle cell disease; Sutural sclerosis; Syphilis; Tuberculosis
Uncommon: Arteriovenous malformation of dura; Bone flap; Chronic head-banging; Dyke-Davidoff-Masson syndrome; Epidermal nevus syndrome; Frontometaphyseal dysplasia; Healing Langerhans cell histiocytosis; Hemangioma; Hyperparathyroidism; Hypoparathyroidism; Infantile fibrosarcoma; Ischemic necrosis; Lipodystrophy; Lymphoma; Mastocytosis; Osteoblastoma; Osteochondroma; Osteosarcoma; Radiation osteonecrosis; Treated brown tumor of hyperparathyroidism; Tuberous sclerosis