title: Anterior commissure absence without callosal agenesis: a new brain malformation.
abstract: The authors report a novel human brain malformation characterized by the absence of the anterior commissure without callosal agenesis, but associated with gross unilateral panhemispheric malformation incorporating subependymal heterotopia, subcortical heterotopia, and gyral abnormalities including temporal malformation and polymicrogyria. In contrast, a normal anterior commissure was found in 125 control subjects and in 113 other subjects with a range of brain malformations.
authors.affiliation: Department of Clinical and Experimental Epilepsy, Institute of Neurology, University College London, and National Society for Epilepsy, Chalfont-St-Peter, UK.
authors.forename: T N
authors.initials: TN
authors.lastname: Mitchell
authors.forename: J M
authors.initials: JM
authors.lastname: Stevens
authors.forename: S L
authors.initials: SL
authors.lastname: Free
authors.forename: J W
authors.initials: JW
authors.lastname: Sander
authors.forename: S D
authors.initials: SD
authors.lastname: Shorvon
authors.forename: S M
authors.initials: SM
authors.lastname: Sisodiya
mesh_terms: D000293:Adolescent; D000328:Adult; D001921:Brain / Q000002:abnormalities* / Q000473:pathology; D002540:Cerebral Cortex / Q000002:abnormalities* / Q000254:growth & development*; D002648:Child; D003337:Corpus Callosum / Q000254:growth & development / Q000502:physiology*; D004827:Epilepsy / Q000209:etiology* / Q000473:pathology; D005260:Female; D006801:Humans; D007091:Image Processing, Computer-Assisted; D008279:Magnetic Resonance Imaging; D008297:Male; D008875:Middle Aged; D012189:Retrospective Studies