Cingulate sulcus sign [Neurosurgery Wiki]

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====== Cingulate sulcus sign ======

see also [[Callosal angle]], [[DESH]], [[Evans index]].

{{::cingulate_sulcus_sign.png?200|}}

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 [[fourth ventricle]]
((Adachi M, Kawanami T, Ohshima F, Kato T. Upper midbrain profile sign and
cingulate sulcus sign: MRI findings on sagittal images in idiopathic
normal-pressure hydrocephalus, Alzheimer's disease, and progressive supranuclear 
palsy. Radiat Med. 2006 Oct;24(8):568-72. PubMed PMID: 17041793.
)).