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CC BY 4.0 · World J Nucl Med 2013; 12(01): 045-047
DOI: 10.4103/1450-1147.113965
Case Report

18F-FDG PET-CT for Staging of Conjunctival Melanoma

Authors

  • Andres Damian

    1   Uruguayan Center of Molecular Imaging (CUDIM), Clinical Hospital, University of Uruguay, Montevideo, Uruguay
    2   Nuclear Medicine Center, Clinical Hospital, University of Uruguay, Montevideo, Uruguay

  • Javier Gaudiano

    1   Uruguayan Center of Molecular Imaging (CUDIM), Clinical Hospital, University of Uruguay, Montevideo, Uruguay

  • Henry Engler

    1   Uruguayan Center of Molecular Imaging (CUDIM), Clinical Hospital, University of Uruguay, Montevideo, Uruguay

  • Omar Alonso

    1   Uruguayan Center of Molecular Imaging (CUDIM), Clinical Hospital, University of Uruguay, Montevideo, Uruguay
    2   Nuclear Medicine Center, Clinical Hospital, University of Uruguay, Montevideo, Uruguay
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Abstract

The value of F-18 fluorodeoxyglucose positron emission tomography/computed tomography (18F-FDG PET-CT) for the evaluation of cutaneous melanoma has been demonstrated previously. However, there are few reports regarding the use PET-CT for the staging of conjunctival melanoma (CM). We report here a case, a 34-year-old male with a six-month history of a pigmented nodule at the palpebral conjunctiva of the left eye, and a firm left preauricular lymph node detected on physical examination. Biopsy of the ocular lesion confirmed CM, and fine needle aspiration cytology of the preauricular node was positive for malignancy. CT showed three pulmonary nodules. An 18F-FDG PET-CT was performed to restage the patient. The study showed hypermetabolic lesions in the left eye, and in the left preauricular node. The scan was negative for metastasis. These findings were important in guiding management of the disease in this patient. Future prospective studies should further evaluate the role of 18F-FDG PET-CT for the staging of CM.

Keywords

Conjunctival melanoma - F-18 fluorodeoxyglucose positron emission tomography/computed tomography - positron emission tomography


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Artikel online veröffentlicht:
14. August 2025

© 2013. The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution License, permitting unrestricted use, distribution, and reproduction so long as the original work is properly cited. (https://creativecommons.org/licenses/by/4.0/)

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