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• W2894967757 abstract "BackgroundScientific data on the image modality to be used in postcurative treatment surveillance of non-small cell lung cancer patients are scarce.This prospective randomized pilot trial compared the performance of integrated 18F-fluorodeoxyglucose positron emission tomography-computed tomography (PET-CT) and contrast-enhanced computed tomography (CE-CT).MethodsAfter termination of curative-intent treatment, patients were randomly assigned to the PET-CT or the CE-CT group. Imaging was performed every 6 months for 2 years. If suspicious radiologic findings were detected or patients became symptomatic, a diagnostic workup was initiated. Sensitivity, specificity, and positive predictive value for detecting cancer recurrence were calculated for both imaging procedures.ResultsThe study enrolled 96 patients. In 14 of 50 patients (28%) in the PET-CT group and in 14 of 46 patients (30%) in the CE-CT group, a suspicious radiologic finding was confirmed as cancer recurrence after diagnostic workup. False-positive findings were detected in 11 patients (22%) of the PET-CT group and in 8 patients (17%) of the CE-CT group. The sensitivity, specificity, and positive predictive value for detecting cancer recurrence (95% confidence interval) were 0.88 (0.62 to 0.98), 0.62 (0.42 to 0.79), and 0.56 (0.35 to 0.76) for PET-CT and 0.93 (0.68 to 1.00), 0.72 (0.53 to 0.87), and 0.64 (0.41to 0.83) for CE-CT, respectively.ConclusionsThe results of our study suggest that PET-CT is not superior to CE-CT in detecting cancer recurrence during 2 years after curative-intent treatment of non-small cell lung cancer. Scientific data on the image modality to be used in postcurative treatment surveillance of non-small cell lung cancer patients are scarce. This prospective randomized pilot trial compared the performance of integrated 18F-fluorodeoxyglucose positron emission tomography-computed tomography (PET-CT) and contrast-enhanced computed tomography (CE-CT). After termination of curative-intent treatment, patients were randomly assigned to the PET-CT or the CE-CT group. Imaging was performed every 6 months for 2 years. If suspicious radiologic findings were detected or patients became symptomatic, a diagnostic workup was initiated. Sensitivity, specificity, and positive predictive value for detecting cancer recurrence were calculated for both imaging procedures. The study enrolled 96 patients. In 14 of 50 patients (28%) in the PET-CT group and in 14 of 46 patients (30%) in the CE-CT group, a suspicious radiologic finding was confirmed as cancer recurrence after diagnostic workup. False-positive findings were detected in 11 patients (22%) of the PET-CT group and in 8 patients (17%) of the CE-CT group. The sensitivity, specificity, and positive predictive value for detecting cancer recurrence (95% confidence interval) were 0.88 (0.62 to 0.98), 0.62 (0.42 to 0.79), and 0.56 (0.35 to 0.76) for PET-CT and 0.93 (0.68 to 1.00), 0.72 (0.53 to 0.87), and 0.64 (0.41to 0.83) for CE-CT, respectively. The results of our study suggest that PET-CT is not superior to CE-CT in detecting cancer recurrence during 2 years after curative-intent treatment of non-small cell lung cancer." @default.
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• W2894967757 date "2019-02-01" @default.
• W2894967757 modified "2023-10-13" @default.
• W2894967757 title "Comparing Two Imaging Methods for Follow-Up of Lung Cancer Treatment: A Randomized Pilot Study" @default.
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• W2894967757 doi "https://doi.org/10.1016/j.athoracsur.2018.08.015" @default.
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