Role of 18F-FDG PET/CT for detection of recurrence and metastases in renal cell carcinoma—are we underusing PET/CT?

PURPOSEThe aim of this study was to compare 18F-fluorodeoxyglucose positron emission tomography– computed tomography (18F-FDG PET/CT) scan with computed tomography (CT) scan for detecting recurrence and metastasis in renal cell carcinoma patients.METHODSThis retrospective study included patients fro...

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Main Authors: Melvika Pereira, Chirag B. Punatar, Natasha Singh, Sharad N. Sagade
Format: Article
Language:English
Published: Galenos Publishing House 2022-09-01
Series:Diagnostic and Interventional Radiology
Online Access: http://www.dirjournal.org/archives/archive-detail/article-preview/role-of-18f-fdg-pet-ct-for-detection-of-recurrence/53637
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author Melvika Pereira
Chirag B. Punatar
Natasha Singh
Sharad N. Sagade
author_facet Melvika Pereira
Chirag B. Punatar
Natasha Singh
Sharad N. Sagade
author_sort Melvika Pereira
collection DOAJ
description PURPOSEThe aim of this study was to compare 18F-fluorodeoxyglucose positron emission tomography– computed tomography (18F-FDG PET/CT) scan with computed tomography (CT) scan for detecting recurrence and metastasis in renal cell carcinoma patients.METHODSThis retrospective study included patients from October 2013 to April 2017. Contrast-enhanced CT and PET/CT scans were compared and correlated with histopathology or/and follow-up studies.RESULTSSeventy-six patients, 60 males, were included. Lesions included primary renal, recurrent renal fossa lesions, lymph nodes, and distant metastatic lesions. Of 176 malignant lesions, CT detected 157 lesions; of which, 154 were true positive. Twenty-two false-negative lesions showed abnormal FDG uptake. CT scan had positive predictive value (PPV), negative predictive value (NPV), sensitivity, specificity, and accuracy of 98.0%, 37.1%, 87.5%, 81.2%, and 86.9%, respectively. All 176 lesions were PET/CT-positive. PET/CT had PPV, NPV, sensitivity, specificity, and accuracy of 100% each. The specificity and NPV of PET/CT were superior (P < .05).CONCLUSIONPET/CT appears more accurate than CT scan for detecting metastasis and recurrence in renal cell carcinoma patients.
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spelling doaj.art-d8ebb2ce9b784e11b2adf2bdbba5b0962023-09-06T12:05:45ZengGalenos Publishing HouseDiagnostic and Interventional Radiology1305-38251305-36122022-09-0128549850210.5152/dir.2022.2109613049054Role of 18F-FDG PET/CT for detection of recurrence and metastases in renal cell carcinoma—are we underusing PET/CT?Melvika Pereira0Chirag B. Punatar1Natasha Singh2Sharad N. Sagade3 Department of Nuclear Medicine, P D Hinduja National Hospital and Medical Research Centre, Mumbai, India Department of Urology, P D Hinduja National Hospital and Medical Research Centre, Mumbai, India Department of Nuclear Medicine, P D Hinduja National Hospital and Medical Research Centre, Mumbai, India Department of Urology, P D Hinduja National Hospital and Medical Research Centre, Mumbai, India PURPOSEThe aim of this study was to compare 18F-fluorodeoxyglucose positron emission tomography– computed tomography (18F-FDG PET/CT) scan with computed tomography (CT) scan for detecting recurrence and metastasis in renal cell carcinoma patients.METHODSThis retrospective study included patients from October 2013 to April 2017. Contrast-enhanced CT and PET/CT scans were compared and correlated with histopathology or/and follow-up studies.RESULTSSeventy-six patients, 60 males, were included. Lesions included primary renal, recurrent renal fossa lesions, lymph nodes, and distant metastatic lesions. Of 176 malignant lesions, CT detected 157 lesions; of which, 154 were true positive. Twenty-two false-negative lesions showed abnormal FDG uptake. CT scan had positive predictive value (PPV), negative predictive value (NPV), sensitivity, specificity, and accuracy of 98.0%, 37.1%, 87.5%, 81.2%, and 86.9%, respectively. All 176 lesions were PET/CT-positive. PET/CT had PPV, NPV, sensitivity, specificity, and accuracy of 100% each. The specificity and NPV of PET/CT were superior (P < .05).CONCLUSIONPET/CT appears more accurate than CT scan for detecting metastasis and recurrence in renal cell carcinoma patients. http://www.dirjournal.org/archives/archive-detail/article-preview/role-of-18f-fdg-pet-ct-for-detection-of-recurrence/53637
spellingShingle Melvika Pereira
Chirag B. Punatar
Natasha Singh
Sharad N. Sagade
Role of 18F-FDG PET/CT for detection of recurrence and metastases in renal cell carcinoma—are we underusing PET/CT?
Diagnostic and Interventional Radiology
title Role of 18F-FDG PET/CT for detection of recurrence and metastases in renal cell carcinoma—are we underusing PET/CT?
title_full Role of 18F-FDG PET/CT for detection of recurrence and metastases in renal cell carcinoma—are we underusing PET/CT?
title_fullStr Role of 18F-FDG PET/CT for detection of recurrence and metastases in renal cell carcinoma—are we underusing PET/CT?
title_full_unstemmed Role of 18F-FDG PET/CT for detection of recurrence and metastases in renal cell carcinoma—are we underusing PET/CT?
title_short Role of 18F-FDG PET/CT for detection of recurrence and metastases in renal cell carcinoma—are we underusing PET/CT?
title_sort role of 18f fdg pet ct for detection of recurrence and metastases in renal cell carcinoma are we underusing pet ct
url http://www.dirjournal.org/archives/archive-detail/article-preview/role-of-18f-fdg-pet-ct-for-detection-of-recurrence/53637
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