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Identifying homologous anatomical landmarks on reconstructed magnetic resonance images of the human cerebral cortical surface

Published online by Cambridge University Press:  01 November 1998

D. D. MAUDGIL ,
S. L. FREE ,
S. M. SISODIYA ,
L. LEMIEUX ,
F. G. WOERMANN ,
D. R. FISH  and
S. D. SHORVON
D. D. MAUDGIL
Affiliation:
Epilepsy Research Group, Queen Square, London, and MRI Unit, National Society for Epilepsy, Chalfont St Peter, Buckinghamshire, UK
S. L. FREE
Affiliation:
Epilepsy Research Group, Queen Square, London, and MRI Unit, National Society for Epilepsy, Chalfont St Peter, Buckinghamshire, UK
S. M. SISODIYA
Affiliation:
Department of Clinical Neurology, Radcliffe Infirmary, Oxford, UK
L. LEMIEUX
Affiliation:
Department of Clinical Neurology, Radcliffe Infirmary, Oxford, UK
F. G. WOERMANN
Affiliation:
Epilepsy Research Group, Queen Square, London, and MRI Unit, National Society for Epilepsy, Chalfont St Peter, Buckinghamshire, UK
D. R. FISH
Affiliation:
Epilepsy Research Group, Queen Square, London, and MRI Unit, National Society for Epilepsy, Chalfont St Peter, Buckinghamshire, UK
S. D. SHORVON
Affiliation:
Epilepsy Research Group, Queen Square, London, and MRI Unit, National Society for Epilepsy, Chalfont St Peter, Buckinghamshire, UK
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Abstract

Guided by a review of the anatomical literature, 36 sulci on the human cerebral cortical surface were designated as homologous. These sulci were assessed for visibility on 3-dimensional images reconstructed from magnetic resonance imaging scans of the brains of 20 normal volunteers by 2 independent observers. Those sulci that were found to be reproducibly identifiable were used to define 24 landmarks around the cortical surface. The interobserver and intraobserver variabilities of measurement of the 24 landmarks were calculated. These reliably reproducible landmarks can be used for detailed morphometric analysis, and may prove helpful in the analysis of suspected cerebral cortical structured abnormalities in patients with such conditions as epilepsy.

Keywords

Brainmorphometrydysgenesisepilepsy
Type
Research Article
Information
The Journal of Anatomy , Volume 193 , Issue 4 , November 1998 , pp. 559 - 571
Copyright
© Anatomical Society of Great Britain and Ireland 1998

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