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KMID : 0359020070350050297
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Korean Journal of Gastrointestinal Endoscopy
2007 Volume.35 No. 5 p.297 ~ p.303
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The Usefulness of the Endoscopic Findings for Predicting Depth of Invasion in Early Gastric Cancer
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Baek Yang-Hyun
Yoo Hyun-Seung
Yoon Hyun-Ah
Kim Ja-Won
Ku Jeong-Mo
Kim Young-Hoon
Cho Su-Hyun
Kim Seul-Ki
Jang Jin-Seok
Lee Jong-Hoon
Roh Myung-Hwan
Choi Seok-Reyol
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Abstract
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Background/Aims: Endoscopic mucosal resection (EMR) or endoscopic submucosal dissection (ESD) has been used as a treatment for early gastric cancer (EGC). This study was performed to evaluate the usefulness of the endoscopic findings for diagnosing the depth of invasion in EGC patients.
Methods: We retrospectively analyzed the endoscopic findings of 558 EGC patients who were diagnosed after gastrectomy, EMR or ESD at Dong-A University Hospital between 2000 and 2006, and we divided them into two groups (the mucosa group versus the submucosa group). Nine factors were assessed (Type I or IIa: surface color, surface irregularity, the Yamada type and pitting on the apex; Type IIb: surface color, surface irregularity and marginal definiteness: Type IIc or III: ulcer base irregularity, shape of the converging folds, center of the converging folds and marginal elevation). The tumor size and histologic type were assessed for all the EGCs.
Results: Ulcer base irregularity (p=0.005), marginal elevation (p=0.001), and the shape of the converging folds (p=0.018) showed significant correlation with the depth of invasion in type IIc or III EGCs. Tumor size (＜2 cm) showed a significant correlation with mucosal invasion for all the EGCs.
Conclusions: These results support the usefulness of the endoscopic findings for making the therapeutic decision for performing EMR or ESD through predicting the depth of invasion of EGCs. (Korean J Gastrointest Endosc 2007;35:297-303)
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KEYWORD
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Depth of invasion, Early gastric cancer, Endoscopic findings
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