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Odontogenic choristoma embedded in the cheek of an old patient
  1. Guido Gabriele1,
  2. Simone Benedetti1,
  3. Fabiola Rossi2 and
  4. Paolo Gennaro1
  1. 1Department of Maxillo-Facial Surgery, Faculty of Medicine and Surgery, University of Siena, Siena, Italy
  2. 2Department of Anatomic Pathology, Faculty of Medicine and Surgery, University of Siena, Siena, Italy
  1. Correspondence to Professor Guido Gabriele; guido.gabriele{at}


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.

  • dentistry and oral medicine
  • radiology (diagnostics)
  • oral and maxillofacial surgery
  • head and neck surgery

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  • Contributors SB participated in acquiring patient data, performing surgery and in the patient follow up, participated in collection of photographs and in article composition; FR performed surgical specimen histopathological analysis and diagnosis; GG and PG participated in article composition and correction.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.