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放大内镜使用联动成像技术和靛胭脂观察小的胃凹陷性病变
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放大内镜使用联动成像技术和靛胭脂观察小的胃凹陷性病变
2022/03/11LCI文献
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放大内镜使用联动成像技术联合靛胭脂观察小的胃凹陷性病变
Magnified endoscopic observation of small depressed gastric lesions using linked color imaging with indigo carmine dye
Y Kitagawa, T Hara, D Ikebe, R Nankinzan… - Endoscopy, 2018
使用联动成像技术结合靛胭脂染色放大(M-Chromo-LCI)可望成为准确诊断胃病变的一种有效方法。
Conclusions: M-Chromo-LCI is expected to become a useful modality for the accurate diagnosis of gastric lesions.
01
背景与研究目的
使用联动成像技术联合靛胭脂染色放大(M-Chromo-LCI)能够对浅表胃黏膜进行立体增强和图像放大颜色观察。本研究探讨M-Chromo-LCI在胃病变鉴别诊断中的应用价值。
Background and study aims: Magnifying linked color imaging with indigo carmine dye (M-Chromo-LCI) enables sterically enhanced and color image-magnified observation of the superficial gastric mucosa. This study investigated the usefulness of M-Chromo-LCI for the differential diagnosis of gastric lesions.
02
患者和方法
用常规白光成像(C-WLI)、放大蓝光成像(M-BLI)和M-Chromo-LCI检查100个连续的小凹陷病灶。检查的内镜图像由三位专家和三位非专家审核。比较不同模式间的诊断准确性和观察者间的一致性。
Patients and methods: 100 consecutive small depressed lesions were examined with conventional white-light imaging (C-WLI), magnifying blue-laser imaging (M-BLI), and M-Chromo-LCI. Endoscopic images were reviewed by three experts and three non-experts. Diagnostic accuracy and interobserver agreement were compared among the modalities.
03
研究结果
对于专家而言，M-BLI的诊断准确率显著高于C-WLI (82.7% vs 67.0%;P < 0.001)。M-Chromo-LCI与M-BLI的诊断准确率无显著差异(87.7% vs 82.7%;P = 0.31)。对于非专家而言，M-BLI的诊断准确性显著高于C-WLI (69.3% vs. 52.3%;P < 0.001)。M-Chromo-LCI比M-BLI的诊断准确率高(79.7%比69.3%;P = 0.005)。M-Chromo-LCI观察组间一致性最高。
Results: For experts, M-BLI showed a significantly higher diagnostic accuracy than C-WLI (82.7 % vs. 67.0 %; P < 0.001). The diagnostic accuracy of M-Chromo-LCI was not different from M-BLI (87.7 % vs. 82.7 %; P = 0.31). For non-experts, M-BLI showed a significantly higher diagnostic accuracy than C-WLI (69.3 % vs. 52.3 %; P < 0.001). M-Chromo-LCI additionally showed a significantly higher diagnostic accuracy than M-BLI (79.7 % vs. 69.3 %; P = 0.005). M-Chromo-LCI had the highest interobserver agreement for each group.
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