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Histological Architecture of Gastric Epithelial Neoplasias That Showed Absent Microsurface Patterns, Visualized by Magnifying Endoscopy with Narrow-Band Imaging

Clinical Endoscopy 2021년 54권 2호 p.222 ~ 228
Chuman Kenta, Yao Kenshi, Kanemitsu Takao, Nagahama Takashi, Miyaoka Masaki, Takahashi Haruhiko, Imamura Kentaro, Hasegawa Rino, Ueki Toshiharu, Tanabe Hiroshi, Haraoka Seiji, Iwashita Akinori,
소속 상세정보
 ( Chuman Kenta ) - Fukuoka University Chikushi Hospital Department of Endoscopy
 ( Yao Kenshi ) - Fukuoka University Chikushi Hospital Department of Endoscopy
 ( Kanemitsu Takao ) - Fukuoka University Chikushi Hospital Department of Endoscopy
 ( Nagahama Takashi ) - Fukuoka University Chikushi Hospital Department of Endoscopy
 ( Miyaoka Masaki ) - Fukuoka University Chikushi Hospital Department of Endoscopy
 ( Takahashi Haruhiko ) - Fukuoka University Chikushi Hospital Department of Pathology
 ( Imamura Kentaro ) - Fukuoka University Chikushi Hospital Department of Gastroenterology
 ( Hasegawa Rino ) - Fukuoka University Chikushi Hospital Department of Endoscopy
 ( Ueki Toshiharu ) - Fukuoka University Chikushi Hospital Department of Gastroenterology
 ( Tanabe Hiroshi ) - Fukuoka University Chikushi Hospital Department of Gastroenterology
 ( Haraoka Seiji ) - Fukuoka University Chikushi Hospital Department of Pathology
 ( Iwashita Akinori ) - Fukuoka University Chikushi Hospital Department of Pathology

Abstract


Background/Aims: The objective of this study was to elucidate the histological structure of the absent microsurface patterns (MSPs) that were visualized by magnifying endoscopy with narrow-band imaging (M-NBI).

Methods: The study included consecutive gastric epithelial neoplasias for which M-NBI findings and histological findings could be compared on a one-to-one basis. The lesions were classified as absent MSPs and present MSPs based on the findings obtained using M-NBI. Of the histopathological findings for each lesion that corresponded to M-NBI findings, crypt opening densities, crypt lengths, crypt opening diameters, intercrypt distances, and crypt angles were measured and compared.

Results: Thirty-six lesions were included in the analysis; of these, 17 lesions exhibited absent MSP and 19 lesions exhibited present MSP. Comparing the histological measurements for absent MSPs vs. present MSPs, median crypt opening density was 0.9 crypt openings/mm vs. 4.8 crypt openings/mm (p<0.001), respectively. The median crypt length, median crypt opening diameter, median intercrypt distance, and median crypt angle were 80.0 μm vs. 160 μm (p<0.001), 40.0 μm vs. 44.2 μm (p=0.09), 572.5 μm vs. 166.7 μm (p<0.001), and 21.6 degrees vs. 15.5 degrees (p<0.001), respectively.

Conclusions: Histological findings showed that lesions exhibiting absent MSPs had lower crypt opening density, shorter crypt length, greater intercrypt distance, and larger crypt angle.

키워드

Gastric cancer; Magnifying endoscopy; Narrow-band imaging

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