Is there any role of positron emission tomography computed tomography for predicting resectability of gallbladder cancer?
The role of integrated (18)F-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.
Department of Internal Medicine, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, Korea.
Jaihwan
https://orcid.org/0000-0003-0693-1415
J
Kim
Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul National University Hospital, Seoul, Korea.
Ji Kon
0000-0001-8798-0491
JK
Ryu
Department of Nuclear Medicine, Korea University Ansan Hospital, Ansan, Korea.
Chulhan
C
Kim
Department of Nuclear Medicine, Seoul National University College of Medicine, Seoul, Korea.
Jin Chul
JC
Paeng
Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul National University Hospital, Seoul, Korea.
Yong-Tae
YT
Kim
D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D002765:Cholecystography; D005260:Female; D019788:Fluorodeoxyglucose F18; D005704:Gallbladder / Q000473:pathology / Q000601:surgery; D005706:Gallbladder Neoplasms / Q000175:diagnosis* / Q000601:surgery*; D006801:Humans; D008207:Lymphatic Metastasis / Q000175:diagnosis; D008297:Male; D008875:Middle Aged; D009367:Neoplasm Staging; D049268:Positron-Emission Tomography; D019275:Radiopharmaceuticals; D012189:Retrospective Studies; D012680:Sensitivity and Specificity; D014057:Tomography, X-Ray Computed; D016896:Treatment Outcome
D019275:Radiopharmaceuticals; D019788:Fluorodeoxyglucose F18
Diagnosis; Gallbladder Neoplasms; Positron-Emission Tomography; Tomography, X-Ray Computed