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18F-FDG PET/CT in Oral Cuniculatum Carcinoma

Dejust, Sebastien MD*; El Farsaoui, Khadija MD*; Bellefqih, Sara MD; Lalire, Paul MD*; Morland, David MD, MSc*,‡,§

doi: 10.1097/RLU.0000000000002667
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A 69-year-old woman was referred for initial staging of an oral cavity mass. 18F-FDG PET/CT displayed a homogeneous intense uptake of the 50-mm left hemipalatal mass with local extension to the dental arcade and maxillary sinus. Infracentimetric bilateral cervical nodes with faint uptake were also detected, contrasting with the usual presentation of other head and neck squamous cell carcinoma. Biopsy concluded to a rare head and neck squamous cell carcinoma subtype: oral cuniculatum carcinoma (OCC). After radiotherapy, 18F-FDG PET/CT showed metabolic complete response. Our case describing specifically the metabolic characteristics of OCC and radiotherapy evaluation for this rare tumor.

From the *Unité de Médecine Nucléaire, Institut Jean Godinot, Reims Cedex

Service de Radiothérapie, Institut Jean Godinot, Reims Cedex

Laboratoire de Biophysique, UFR de Médecine, Université de Reims-Champagne Ardenne, Reims Cedex

§CRESTIC Centre de Recherche en Sciences et Technologies de l'Information et de la Communication, Université de Reims-Champagne Ardenne, Reims Cedex 2, France.

Received for publication February 11, 2019; revision accepted May 1, 2019.

Conflicts of interest and sources of funding: none declared.

Correspondence to: Sébastien Dejust, MD, Service de Médecine Nucléaire, Institut Jean Godinot, 1 Rue du Général Koenig, 51100 Reims, France. E-mail: sebastien.dejust@reims.unicancer.fr.

Online date: June 26, 2019

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