Preoperative staging of gastric cancer by endoscopic ultrasonography and multidetector-row computed tomography
Sung Wook Hwang
Department of Internal Medicine, Seoul National University Hospital, Seoul, and
Search for more papers by this authorCorresponding Author
Dong Ho Lee
Department of Internal Medicine, Seoul Bundang Hospital, National University, Seongnam, Korea
Dr Dong Ho Lee, Department of Internal Medicine, Seoul National University, Bundang Hospital, 300 Gumi-dong, Bundang-gu, Seongnam, Gyeonggi-do 463-707, Korea. Email: [email protected]Search for more papers by this authorSang Hyub Lee
Department of Internal Medicine, Seoul Bundang Hospital, National University, Seongnam, Korea
Search for more papers by this authorYoung Soo Park
Department of Internal Medicine, Seoul Bundang Hospital, National University, Seongnam, Korea
Search for more papers by this authorJin Hyeok Hwang
Department of Internal Medicine, Seoul Bundang Hospital, National University, Seongnam, Korea
Search for more papers by this authorJin Wook Kim
Department of Internal Medicine, Seoul Bundang Hospital, National University, Seongnam, Korea
Search for more papers by this authorSook Hyang Jung
Department of Internal Medicine, Seoul Bundang Hospital, National University, Seongnam, Korea
Search for more papers by this authorNa Young Kim
Department of Internal Medicine, Seoul Bundang Hospital, National University, Seongnam, Korea
Search for more papers by this authorYoung Hoon Kim
Department of Radiology, Seoul Bundang Hospital, National University, Seongnam, Korea
Search for more papers by this authorKyoung Ho Lee
Department of Radiology, Seoul Bundang Hospital, National University, Seongnam, Korea
Search for more papers by this authorHyung-Ho Kim
Department of Surgery, Seoul Bundang Hospital, National University, Seongnam, Korea, and
Search for more papers by this authorDo Joong Park
Department of Surgery, Seoul Bundang Hospital, National University, Seongnam, Korea, and
Search for more papers by this authorHye Seung Lee
Department of Pathology, Seoul Bundang Hospital, National University, Seongnam, Korea
Search for more papers by this authorHyun Chae Jung
Department of Internal Medicine, Seoul National University Hospital, Seoul, and
Search for more papers by this authorIn Sung Song
Department of Internal Medicine, Seoul National University Hospital, Seoul, and
Search for more papers by this authorSung Wook Hwang
Department of Internal Medicine, Seoul National University Hospital, Seoul, and
Search for more papers by this authorCorresponding Author
Dong Ho Lee
Department of Internal Medicine, Seoul Bundang Hospital, National University, Seongnam, Korea
Dr Dong Ho Lee, Department of Internal Medicine, Seoul National University, Bundang Hospital, 300 Gumi-dong, Bundang-gu, Seongnam, Gyeonggi-do 463-707, Korea. Email: [email protected]Search for more papers by this authorSang Hyub Lee
Department of Internal Medicine, Seoul Bundang Hospital, National University, Seongnam, Korea
Search for more papers by this authorYoung Soo Park
Department of Internal Medicine, Seoul Bundang Hospital, National University, Seongnam, Korea
Search for more papers by this authorJin Hyeok Hwang
Department of Internal Medicine, Seoul Bundang Hospital, National University, Seongnam, Korea
Search for more papers by this authorJin Wook Kim
Department of Internal Medicine, Seoul Bundang Hospital, National University, Seongnam, Korea
Search for more papers by this authorSook Hyang Jung
Department of Internal Medicine, Seoul Bundang Hospital, National University, Seongnam, Korea
Search for more papers by this authorNa Young Kim
Department of Internal Medicine, Seoul Bundang Hospital, National University, Seongnam, Korea
Search for more papers by this authorYoung Hoon Kim
Department of Radiology, Seoul Bundang Hospital, National University, Seongnam, Korea
Search for more papers by this authorKyoung Ho Lee
Department of Radiology, Seoul Bundang Hospital, National University, Seongnam, Korea
Search for more papers by this authorHyung-Ho Kim
Department of Surgery, Seoul Bundang Hospital, National University, Seongnam, Korea, and
Search for more papers by this authorDo Joong Park
Department of Surgery, Seoul Bundang Hospital, National University, Seongnam, Korea, and
Search for more papers by this authorHye Seung Lee
Department of Pathology, Seoul Bundang Hospital, National University, Seongnam, Korea
Search for more papers by this authorHyun Chae Jung
Department of Internal Medicine, Seoul National University Hospital, Seoul, and
Search for more papers by this authorIn Sung Song
Department of Internal Medicine, Seoul National University Hospital, Seoul, and
Search for more papers by this authorAbstract
Background and Aim: The aim of this study was to determine the accuracy of endoscopic ultrasonography (EUS) and multidetector-row computed tomography (MDCT) for the locoregional staging of gastric cancer. EUS and computed tomography (CT) are valuable tools for the preoperative evaluation of gastric cancer. With the introduction of new therapeutic options and the recent improvements in CT technology, further evaluation of the diagnostic accuracy of EUS and MDCT is needed.
Methods: In total, 277 patients who underwent EUS and MDCT, followed by gastrectomy or endoscopic resection at Bundang Hospital, Seoul National University, from July 2006 to April 2008, were analyzed. The results from the preoperative EUS and MDCT were compared to the postoperative pathological findings.
Results: Among the 277 patients, the overall accuracy of EUS and MDCT for T staging was 74.7% and 76.9%, respectively. Among the 141 patients with visualized primary lesions on MDCT, the overall accuracy of EUS and MDCT for T staging was 61.7% and 63.8%, respectively. The overall accuracy for N staging was 66% and 62.8%, respectively. The performance of EUS and MDCT for large lesions and lesions at the cardia and angle had significantly lower accuracy than that of other groups. For EUS, the early gastric cancer lesions with ulcerative changes had significantly lower accuracy than those without ulcerative changes.
Conclusions: For the preoperative assessment of individual T and N staging in patients with gastric cancer, the accuracy of MDCT was close to that of EUS. Both EUS and MDCT are useful complementary modalities for the locoregional staging of gastric cancer.
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