Impressiones digitatae

Convolutional markings are normal impressions of the gyri on the inner table of the skull. They appear during times when the brain is growing rapidly, typically between the ages of 3 and 7 years of age .  They are seen predominantly posteriorly.

If they are pronounced and over the more anterior parts of the skull, then this is referred to as a copper beaten skull and suggests the presence of raised intracranial pressure.

Differential diagnoses

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