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Article Dans Une Revue Brain Structure and Function Année : 2017

A practical guide for the identification of major sulcogyral structures of the human cortex

Résumé

The precise sulcogyral localization of cortical lesions is mandatory to improve communication between practitioners and to predict and prevent post-operative deficits. This process, which assumes a good knowledge of the cortex anatomy and a systematic analysis of images, is, nevertheless, sometimes neglected in the neurological and neurosurgical training. This didactic paper proposes a brief overview of the sulcogyral anatomy, using conventional MR-slices, and also reconstructions of the cortical surface after a more or less extended inflation process. This method simplifies the cortical anatomy by removing part of the cortical complexity induced by the folding process, and makes it more understandable. We then reviewed several methods for localizing cortical structures, and proposed a three-step identification: after localizing the lateral, medial or ventro-basal aspect of the hemisphere (step 1), the main interlobar sulci were located to limit the lobes (step 2). Finally, intralobar sulci and gyri were identified (step 3) thanks to the same set of rules. This paper does not propose any new identification method but should be regarded as a set of practical guidelines, useful in daily clinical practice, for detecting the main sulci and gyri of the human cortex.
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Dates et versions

hal-01827945 , version 1 (02-07-2018)

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Christophe Destrieux, Louis Marie Terrier, Frédéric Andersson, Scott Love, Jean-Philippe Cottier, et al.. A practical guide for the identification of major sulcogyral structures of the human cortex. Brain Structure and Function, 2017, 222 (4), pp.2001-2015. ⟨10.1007/s00429-016-1320-z⟩. ⟨hal-01827945⟩

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