Cingulate sulcus sign

Last revised by Frank Gaillard on 30 Jan 2022

The cingulate sulcus sign has been proposed as being useful as an MRI feature of idiopathic normal pressure hydrocephalus (NPH). It denotes the posterior part of the cingulate sulcus being narrower than the anterior part. The divider between the anterior and posterior parts of the sulcus being a line drawn parallel to the floor of the 4th ventricle 1

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