Gyral enhancement

Last revised by Craig Hacking on 18 Aug 2021

Gyral enhancement, also known as gyriformcortical, or grey matter enhancement, is a pattern of contrast enhancement in the superficial brain parenchyma that conforms to the serpentine morphology of the cerebral gyri. It should be distinguished from leptomeningeal enhancement, which is also serpentine but occurs on the brain surface rather than within the parenchyma.

The causes are most commonly vascular or inflammatory, with subacute infarction being the most well described 1:

These causes may be distinguished by clinical history and brain location.

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