Calvarial thickening

Changed by Craig Hacking, 19 Apr 2021

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Calvarial thickening can occur from a number of causes. These include:

idiopathic
chronic ventricular shunting ¹
~~antiepileptics~~antiepileptic medication
- phenytoin³
osteopetrosis ²
fibrous dysplasia
acromegaly
anaemias (largely associated with massive haematopoiesis)
Paget disease
hyperparathyroidism
certain sclerosing bone dysplasias
- hyperostosis corticalis generalisata ⁵
  - van Buchem disease
- osteopetrosis
- Truswell-Hansen disease (sclerosteosis)
- Worth disease
- Nakamura disease
cerebral arteriovenous malformations ⁴: rare
Dyke-Davidoff-Masson syndrome

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