Calvarial thickening
Calvarial thickening can occur from a number of causes. These include:
- idiopathic
- chronic ventricular shunting
- antiepileptics
- phenytoin
- osteopetrosis
- fibrous dysplasia
- acromegaly
- anemias (largely associated with massive hematopoiesis)
- Paget disease
- hyperparathyroidism
- certain sclerosing bone dysplasias
- hyperostosis corticalis generalisata
- osteopetrosis
- Truswell-Hansen disease (sclerosteosis)
- Worth disease
- Nakamura disease
- cerebral arteriovenous malformations : rare
- Dyke-Davidoff-Masson syndrome