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Abstract #3266

Volume and surface-based structural analyses in active Crohn’s Disease Patients

Gita Thapaliya1, Sally Eldeghaidy2, Shellie Radford1, Gordon Moran1, and Susan Francis2

1National Institute for Health Research (NIHR) Biomedical Research Centre in Gastrointestinal and Liver disease at Nottingham University Hospitals NHS Trust, Queens Medical Centre Campus, University of Nottingham, Nottingham, United Kingdom, 2Sir Peter Mansfield Imaging Centre, University of Nottingham, Nottingham, United Kingdom

Structural brain changes in Crohn’s Disease (CD) have been studied in remission, however the data is inconsistent and not assessed in the active disease state. Grey matter volume (GMV) and cortical thickness (CT) were measured using VBM and CAT12/FreeSurfer in 25 active CD patients and age-matched healthy controls (HC). CD patients showed reduced CT and GMV in frontal and motor areas. Both CT and GMV were negatively correlated with proinflammatory markers, indicating these changes could be due to chronic inflammatory response. CAT and Freesurfer measures were highly comparable.

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