RT Journal Article SR Electronic T1 Odontogenic choristoma embedded in the cheek of an old patient JF BMJ Case Reports JO BMJ Case Reports FD BMJ Publishing Group Ltd SP e245733 DO 10.1136/bcr-2021-245733 VO 14 IS 10 A1 Guido Gabriele A1 Simone Benedetti A1 Fabiola Rossi A1 Paolo Gennaro YR 2021 UL http://casereports.bmj.com/content/14/10/e245733.abstract AB Odontogenic choristomas are a rare and recently classified entity, defined as neoplasms containing tissues of odontogenic derivation, found in abnormal locations and usually diagnosed in the early age. The authors report a unique case of a 79-year-old patient who presented to our attention for a skin lesion in the right cheek with no history of trauma or recent dental procedures, that underneath presented an indolent tooth-like structure inside the soft tissue of the right cheek, which at the histological study resulted to be an odontogenic choristoma. This rare histopathological diagnosis should be considered when a hard lesion is present in the head and neck region.