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KMID : 0191120140290050680
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Journal of Korean Medical Science
2014 Volume.29 No. 5 p.680 ~ p.684
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Is There Any Role of Positron Emission Tomography Computed Tomography for Predicting Resectability of Gallbladder Cancer?
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Kim Jai-Hwan
Ryu Ji-Kon
Kim Chul-Han
Paeng Jin-Chul
Kim Yong-Tae
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Abstract
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The role of integrated 18F-2-fluoro-2-deoxy-D-glucose positron emission tomography computed tomography (PET-CT) is uncertain in gallbladder cancer. The aim of this study was to show the role of PET-CT in gallbladder cancer patients. Fifty-three patients with gallbladder cancer underwent preoperative computed tomography (CT) and PET-CT scans. Their medical records were retrospectively reviewed. Twenty-six patients underwent resection. Based on the final outcomes, PET-CT was in good agreement (0.61 to 0.80) with resectability whereas CT was in acceptable agreement (0.41 to 0.60) with resectability. When the diagnostic accuracy of the predictions for resectability was calculated with the ROC curve, the accuracy of PET-CT was higher than that of CT in patients who underwent surgical resection (P=0.03), however, there was no difference with all patients (P=0.12). CT and PET-CT had a discrepancy in assessing curative resection in nine patients. These consisted of two false negative and four false positive CT results (11.3%) and three false negative PET-CT results (5.1%). PET-CT was in good agreement with the final outcomes compared to CT. As a complementary role of PEC-CT to CT, PET-CT tended to show better prediction about resectability than CT, especially due to unexpected distant metastasis.
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KEYWORD
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Gallbladder Neoplasms, Positron-Emission Tomography, Tomography, X-Ray Computed, Diagnosis
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