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

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...

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Bibliographic Details
Published in:Brain Structure and Function 2017-05, Vol.222 (4), p.2001-2015
Main Authors: Destrieux, Christophe, Terrier, Louis Marie, Andersson, Frédéric, Love, Scott A., Cottier, Jean-Philippe, Duvernoy, Henri, Velut, Stéphane, Janot, Kevin, Zemmoura, Ilyess
Format: Article
Language:English
Subjects:
Adult
Biomedical and Life Sciences
Biomedicine
Cell Biology
Cerebral Cortex - anatomy & histology
Cerebral Cortex - diagnostic imaging
Humans
Imaging, Three-Dimensional
Life Sciences
Magnetic Resonance Imaging
Male
Neurology
Neurosciences
Practical Guide
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Summary: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.
ISSN:1863-2653
1863-2661
0340-2061
DOI:10.1007/s00429-016-1320-z