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논문 기본 정보

자료유형
학술저널
저자정보
Tomomi Sugita (Nihon University School of Medicine) Sho Suzuki (Nihon University School of Medicine) Ryoji Ichijima (Division of Gastroenterology and Hepatology Nihon University School of Medicine Tokyo Japan) Kanako Ogura (Nihon University School of Medicine) Chika Kusano (Kitasato University School of Medicine) Hisatomo Ikehara (Nihon University School of Medicine) Takuji Gotoda (Division of Gastroenterology and Hepatology Department of Medicine Nihon University School of Medic) Mitsuhiko Moriyama (Division of Gastroenterology and Hepatology Department of Medicine Nihon University School of Medic)
저널정보
대한위암학회 Journal of Gastric Cancer Journal of Gastric Cancer 제21권 제3호
발행연도
2021.9
수록면
246 - 257 (12page)
DOI
10.5230/jgc.2021.21.e23

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Purpose: It is unclear whether high-definition (HD) imaging improves visibility and diagnostic ability in early gastric cancer (EGC) compared with standard-definition (SD) imaging. We aimed to compare the diagnostic performance and visibility scores of HD and SD ultraslim endoscopes in EGC. Materials and Methods: We used HD and SD ultraslim endoscopes to obtain 60 images with similar compositions of gastric environments. Of the 60 images, 30 showed EGC (15 images for each modality) and 30 showed no EGC (15 images for each modality). Seventeen endoscopists evaluated the presence and location of the lesions in each image. Diagnostic ability was compared between modalities. The color difference between a lesion and the surrounding mucosa (ΔE) was measured and compared between the modalities. Results: The ability of HD to detect EGC was significantly higher than that of SD (accuracy: 80.8% vs. 71.6%, P=0.017; sensitivity: 94.9% vs. 76.5%, P<0.001; positive predictive value, 76.2% vs. 55.3%, P<0.001; and negative predictive value (NPV), 94.1% vs. 73.5%, P<0.001). The ability of HD to determine the horizontal extent of EGC was significantly higher than that of SD (accuracy: 71.0% vs. 57.8%, P=0.004; sensitivity: 75.3% vs. 49.0%, P<0.001; NPV, 72.9% vs. 55.9%, P<0.001; and area under the curve: 0.891 vs. 0.631, P=0.038). The mean ΔE was significantly higher for HD than for SD (10.3 vs. 5.9, P=0.011). Conclusions: The HD ultraslim endoscope showed a higher diagnostic performance in EGC than the SD endoscope because it provided good color contrast.
#Gastric cancer #Endoscopy #Screening #Diagnosis #Diagnostic imaging

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참고문헌 (35)

참고문헌 신청
Bray F / 2018 / Global cancer statistics 2018 : GLOBOCAN estimates of incidence and mortality worldwide for 36 cancers in 185 countries / CA Cancer J Clin 68:394~424 google schola Choi IJ / 2015 / Long-term outcome comparison of endoscopic resection and surgery in early gastric cancer meeting the absolute indication for endoscopic resection / Gastrointest Endosc 81:333~341 google schola Gu L / 2019 / Comparison of long-term outcomes of endoscopic submucosal dissection and surgery for early gastric cancer : a systematic review and metaanalysis / J Gastrointest Surg 23:1493~1501 google schola Jeon HK / 2018 / Long-term outcome of endoscopic submucosal dissection is comparable to that of surgery for early gastric cancer : a propensity-matched analysis / Gastric Cancer 21:133~143 google schola 이아영 / 2020 / Endoscopic Resection of Undifferentiated-type Early Gastric Cancer / Journal of Gastric Cancer 20(4):345~354 dbpia

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