Abstract
Purpose
To study the utility of positron emission tomography with computerized tomography (PET/CT) in patients with a stage I–III melanoma.
Patients and methods
PET/CT findings from all patients with a stage I–III melanoma attended at our hospital from September 2011 to November 2015 were reviewed.
Results
Data from 83 patients with a stage I–III melanoma, 39 patients with a positive sentinel lymph node biopsy (SLNB) and 35 patients with locoregional recurrences were analyzed. Sensitivity of PET/CT in clinical stage I–III patients was 5%, with a 14% of false positives. In patients with a positive SLNB, PET/CT previous to complete lymph node dissection had a 23% of false negatives. In patients with clinical locoregional recurrences, PET/CT findings revealed asymptomatic visceral distant metastasis in 25.7%.
Conclusions
PET/CT has a significant rate of false positive and negative results in patients with a stage I–III melanoma. Utility in patients with nodal locoregional recurrences seems higher than in patients with skin metastases.
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IMR declares the following conflict of interest: advisory role from BMS, MSD, Novartis, Roche, Pierre Fabre, Incyte, Amgen, Merck-Serono, Sanofi, Regeneron and Bioncotech. The rest of the authors declare no conflict of interest with the specific topic.
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All patients, prior to the imaging study, were asked to sign a consent form. The study fulfills the declaration of Helsinki ethical standards for research.
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Our research involved human participants who had obtained informed consents. The study fulfills the declaration of Helsinki ethical standards for research.
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Avilés Izquierdo, J.A., Molina López, I., Sobrini Morillo, P. et al. Utility of PET/CT in patients with stage I–III melanoma. Clin Transl Oncol 22, 1414–1417 (2020). https://doi.org/10.1007/s12094-019-02252-2
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DOI: https://doi.org/10.1007/s12094-019-02252-2