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Case report
Oral focal mucinosis of the mandible in an adolescent patient
  1. Jason J Cho,
  2. Raymond P Shupak and
  3. Caroline Michaels
  1. Department of Oral and Maxillofacial Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
  1. Correspondence to Dr Raymond P Shupak; shupakrp2{at}upmc.edu

Abstract

Oral focal mucinosis (OFM) is the rare oral manifestation of cutaneous focal mucinosis. It is a diagnosis made histopathologically, as OFM remains clinically similar to other more common oral lesions, and radiographs do not provide any diagnostic information. This case is a report of a teenage female with left mandibular involvement of an elevated, rounded, asymptomatic, mucosa-coloured lesion in the facial and lingual gingiva between her left first and second mandibular molars. The cause was unclear, although the patient stated that she may have sustained a laceration in that area several months prior. An incisional biopsy revealed histopathological findings consistent with OFM, and complete surgical excision of the lesion was performed under a general anaesthetic, with no signs of recurrence for 2 months. The histological, clinical and accepted treatment methods on OFM will be discussed. Clinicians, including those serving paediatric populations, should consider OFM in their differential diagnoses when evaluating gingival lesions.

  • dentistry and oral medicine
  • ear, nose and throat/otolaryngology
  • mouth
  • pathology
  • oral and maxillofacial surgery
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Footnotes

  • Contributors JJC, RPS and CM: contributed to the design and implementation of the case study and to the writing of the manuscript.

  • 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.

  • Patient consent for publication Parental/guardian consent obtained.

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

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