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Erschienen in: European Journal of Nuclear Medicine and Molecular Imaging 9/2019

20.06.2019 | Original Article

Diagnostic value of surveillance 18F-fluorodeoxyglucose PET/CT for detecting recurrent esophageal carcinoma after curative treatment

verfasst von: Soo Jeong Kim, Seung Hyup Hyun, Seung Hwan Moon, Kyung Soo Lee, Jong-Mu Sun, Dongryul Oh, Yong Chan Ahn, Jae Il Zo, Young Mog Shim, Joon Young Choi

Erschienen in: European Journal of Nuclear Medicine and Molecular Imaging | Ausgabe 9/2019

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Abstract

Purpose

Esophageal carcinoma recurs within two years in approximately half of patients who receive curative treatment and is associated with poor survival. While 18F-fluorodeoxyglucose (FDG) positron emission tomography/computed tomography (PET/CT) is a reliable method of detecting recurrent esophageal carcinoma, in most previous studies FDG PET/CT scans were performed when recurrence was suspected. The aim of this study was to evaluate FDG PET/CT as a surveillance modality to detect recurrence of esophageal carcinoma after curative treatment where clinical indications of recurrent disease are absent.

Methods

A total of 782 consecutive FDG PET/CT studies from 375 patients with esophageal carcinoma after definitive treatment were reviewed. Abnormal lesions suggestive of recurrence on PET/CT scans were then evaluated. Recurrence was determined by pathologic confirmation or other clinical evidence within two months of the scan. If no clinical evidence for recurrence was found at least 6 months after the scan, the case was considered a true negative for recurrence.

Results

The diagnostic sensitivity and specificity of PET/CT for detecting recurrent esophageal carcinomas were 100% (64/64) and 94.0% (675/718), respectively. There were no significant differences in the diagnostic performance of PET/CT for detecting recurrence according to initial stage or time between PET/CT and curative treatments. Unexpected second primary cancers were detected by FDG PET/CT in seven patients.

Conclusions

Surveillance FDG PET/CT is a useful imaging tool for detection of early recurrence or clinically unsuspected early second primary cancer in patients with curatively treated esophageal carcinoma but without clinical suspicion of recurrence.
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Metadaten
Titel
Diagnostic value of surveillance 18F-fluorodeoxyglucose PET/CT for detecting recurrent esophageal carcinoma after curative treatment
verfasst von
Soo Jeong Kim
Seung Hyup Hyun
Seung Hwan Moon
Kyung Soo Lee
Jong-Mu Sun
Dongryul Oh
Yong Chan Ahn
Jae Il Zo
Young Mog Shim
Joon Young Choi
Publikationsdatum
20.06.2019
Verlag
Springer Berlin Heidelberg
Erschienen in
European Journal of Nuclear Medicine and Molecular Imaging / Ausgabe 9/2019
Print ISSN: 1619-7070
Elektronische ISSN: 1619-7089
DOI
https://doi.org/10.1007/s00259-019-04387-4

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