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학제간연구 과학기술학 뇌인지과학 기술정책 기타 복합학

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논문 기본 정보

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학술저널
저자정보
Hiroyuki Osawa (Division of Gastroenterology Department of Medicine Jichi Medical University Shimotsuke Japan) Yuji Hiraoka (Division of Gastroenterology Department of Medicine Jichi Medical University Tochigi Japan) Yoshimasa Miura (Division of Gastroenterology Department of Medicine Jichi Medical University Shimotsuke Japan) Yoshie Nomoto (Division of Gastroenterology Department of Medicine Jichi Medical University Shimotsuke Japan) Haruo Takahashi (Division of Gastroenterology Department of Medicine Jichi Medical University Shimotsuke Tochigi Jap) Masato Tsunoda (Division of Gastroenterology Department of Medicine Jichi Medical University Shimotsuke Japan) Manabu Nagayama (Division of Gastroenterology Department of Medicine Jichi Medical University Shimotsuke Japan) Takashi Ueno (Division of Gastroenterology Department of Medicine Jichi Medical University Shimotsuke Japan) Alan Kawarai Lefor (Department of Surgery Jichi Medical University Shimotsuke Japan) Hironori Yamamoto (Division of Gastroenterology Department of Medicine Jichi Medical University Shimotsuke Japan)
저널정보
대한위암학회 Journal of Gastric Cancer Journal of Gastric Cancer 제21권 제2호
발행연도
2021.1
수록면
142 - 154 (13page)

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Purpose: Screening image-enhanced endoscopy for gastrointestinal malignant lesions has progressed. However, the influence of the color enhancement settings for the laser endoscopic system on the visibility of lesions with higher color contrast than their surrounding mucosa has not been established. Materials and Methods: Forty early gastric cancers were retrospectively evaluated using color enhancement settings C1 and C2 for laser endoscopic systems with blue laser imaging (BLI), BLI-bright, and linked color imaging (LCI). The visibilities of the malignant lesions in the stomach with the C1 and C2 color enhancements were scored by expert and non-expert endoscopists and compared, and the color differences between the malignant lesions and the surrounding mucosa were assessed. Results: Early gastric cancers mainly appeared orange-red on LCI and brown on BLI-bright or BLI. The surrounding mucosae were purple on LCI regardless of the color enhancement but brown or pale green with C1 enhancement and dark green with C2 enhancement on BLI-bright or BLI. The mean visibility scores for BLI-bright, BLI, and LCI with C2 enhancement were significantly higher than those with C1 enhancement. The superiority of the C2 enhancement was not demonstrated in the assessments by non-experts, but it was significant for experts using all modes. The C2 color enhancement produced a significantly greater color difference between the malignant lesions and the surrounding mucosa, especially with the use of BLI-bright (P=0.033) and BLI (P<0.001). C2 enhancement tended to be superior regardless of the morphological type, Helicobacter pylori status, or the extension of intestinal metaplasia around the cancer. Conclusions: Appropriate color enhancement settings improve the visibility of malignant lesions in the stomach and color contrast between the malignant lesions and the surrounding mucosa.
#Image enhancement #Lasers #Gastric cancer #Diagnosis #Endoscopy

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참고문헌 (23)

참고문헌 신청
Muto M / 2010 / Early detection of superficial squamous cell carcinoma in the head and neck region and esophagus by narrow band imaging : a multicenter randomized controlled trial / J Clin Oncol 28:1566~1572 google schola Dohi O / 2017 / Diagnostic ability of magnifying endoscopy with blue laser imaging for early gastric cancer : a prospective study / Gastric Cancer 20:297~303 google schola Hiroyuki Osawa / 2018 / Linked Color Imaging and Blue Laser Imaging for Upper Gastrointestinal Screening / Clinical Endoscopy 51(6):513~526 dbpia Diao W / 2018 / Diagnostic ability of blue laser imaging combined with magnifying endoscopy for early esophageal cancer / Dig Liver Dis 50:1035~1040 google schola Kanzaki H / 2017 / Linked color imaging(LCI), a novel image-enhanced endoscopy technology, emphasizes the color of early gastric cancer / Endosc Int Open 5:E1005~E1013 google schola

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