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Journal of Cancer Research and Clinical Oncology

Erschienen in:

02.01.2019 | Original Article – Clinical Oncology

FDG PET/CT to predict the curability of endoscopic resection for early gastric cancer

verfasst von: Hyun Woo Chung, Jeong Hwan Kim, In-Kyung Sung, Sun-Young Lee, Hyung Seok Park, Chan Sup Shim, Ho Yoon Bang, Young So, Eun Jeong Lee

Erschienen in: Journal of Cancer Research and Clinical Oncology | Ausgabe 3/2019

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Abstract

Purpose

We evaluated the value of fluorine-18 fluorodeoxyglucose positron-emission tomography/computed tomography (FDG PET/CT) as a complementary imaging modality to endoscopy to predict the curability of endoscopic submucosal dissection (ESD) for early gastric cancer (EGC).

Methods

The institutional review board approved this retrospective study with a waiver of informed consent. The records of patients who underwent FDG PET/CT for initial routine staging of gastric cancer from January 2012 to October 2017 were reviewed retrospectively. Among them, the patients who had EGC with well or moderately differentiated adenocarcinoma were included in this study. A total of 210 EGCs in 199 patients (mean age ± SD, 67 ± 10 years) were selected for this study. For the analysis of FDG PET/CT image, the radiotracer uptake by the primary tumor was compared with the background gastric uptake. Each case was classified as curable by ESD (no discrete radioactivity) and not curable by ESD (discrete radioactivity).

Results

The detection rate of EGC by FDG PET/CT was 37.1% (78 discrete radioactivity in 210 EGCs). However, for the detection of EGC that is not curable by ESD, the sensitivity, specificity, positive predictive value, negative predictive value, and area under the receiver operating characteristic curve with 95% confidence intervals were 79% (67–87%), 91% (85–95%), 81% (71–88%), 89% (84–93%), and 0.85 (0.79–0.89), respectively.

Conclusion

FDG PET/CT may be a useful complementary imaging modality to endoscopy to predict the curability of ESD for EGC.

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Titel: FDG PET/CT to predict the curability of endoscopic resection for early gastric cancer
verfasst von: Hyun Woo Chung
Jeong Hwan Kim
In-Kyung Sung
Sun-Young Lee
Hyung Seok Park
Chan Sup Shim
Ho Yoon Bang
Young So
Eun Jeong Lee
Publikationsdatum: 02.01.2019
Verlag: Springer Berlin Heidelberg
Erschienen in: Journal of Cancer Research and Clinical Oncology / Ausgabe 3/2019
Print ISSN: 0171-5216
Elektronische ISSN: 1432-1335
DOI: https://doi.org/10.1007/s00432-018-02832-9

Springer Medizin

FDG PET/CT to predict the curability of endoscopic resection for early gastric cancer