Diffusely dense calvarium

Common: Acromegaly; Anemia; Cerebral atrophy in childhood; Fibrous dysplasia; Hereditary spherocytosis; Hyperostosis interna generalisata; Hyperparathyroidism; Iron deficiency anemia; Leontiasis ossea; Morgagni-Stewart-Morel syndrome; Myelofibrosis; Osteoblastic metastasis; Osteopetrosis; Paget disease of bone; Post-shunt hydrocephalus; Sickle cell disease; Thalassemia
Uncommon: Arteriovenous malformation; Chronic cyanotic congenital heart disease; Chronic osteomyelitis; Craniosynostosis; Dyke-Davidoff-Masson syndrome; Fluorosis; Homocystinuria; Hydantoin therapy; Hyperphosphatasia; Hypervitaminosis D; Hypoparathyroidism; Infantile hypothyroidism; Leukemia; Lymphoma; Meningioma; Metastatic neuroblastoma; Microcephaly; Mycetoma; Myotonic dystrophy; Polycythemia; Syphilis; Treated hypothyroidism; Treated rickets; Vitamin D-resistant rickets