title: What's your diagnosis? Heterotopic gray matter (HGM) in the left centrum semiovale with associated pachygyria presenting with a late-onset seizure.
authors.affiliation: Department of Radiology, Eastbourne District General Hospital, Eastbourne, East Sussex, UK.
authors.forename: D C
authors.initials: DC
authors.lastname: Howlett
authors.forename: D F
authors.initials: DF
authors.lastname: Sallomi