We used the prototype of ECS (GIF-Y0002; Olympus Corporation, Tokyo, Japan) connected to a video-endoscopy system (CV260, EVIS LUCERA SPECTRUM; Olympus). The GIF-Y0002 is an integrated type of endoscope with one lens that enables a progressive increase in magnification to ×380 (tissue field of view, 700 µm × 600 µm, 0.42 mm2) using a hand lever. Up to ×600 ultra-high magnification is available when the electronic zoom function (×1.6) is activated by pushing the button [24 (link)]. The consecutive zoom function allows us to find the target area through non-magnifying observation, while maintaining the center of the endoscopic view. The ECS system can visualize not only the gland duct lumens and villi, but also the shape of epithelial cells and nuclei at a focus depth of about 50 µm.
Gif y0002
Manufactured by Olympus
Sourced in Japan
The GIF-Y0002 is a laboratory equipment designed for general-purpose use. It serves as a basic tool in various scientific and research applications.
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Lab products found in correlation
4 protocols using gif y0002
1
Endoscopic Observation of Cellular Structure
2
Comparing Endoscopic Findings of BCH and HNSCC
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Patients who were pathologically diagnosed as having BCH based on endoscopic biopsy samples of the pharynx obtained between January 2008 and July 2012 at our institute were included in the present study. Endoscopic images of superficial-type HNSCC that had been diagnosed pathologically were also used to compare the endoscopic findings for BCH and SCC of the pharynx. For all cases, clear images were obtained using NBI with or without magnification using a GIF H260Z (Olympus, Tokyo, Japan) or in some cases using a GIF Y0002 (Olympus) for a much higher-power magnification (maximum of 380-fold magnification). Cases without NBI-ME images or with only unsuitable images (blurry or unfocused) were excluded from this study. All the biopsy samples were diagnosed pathologically based on the World Health Organization classification of tumors (head and neck tumors)(8 ); BCH with IPCL atypia was diagnosed based on the criteria reported by our group.(7 (link)) Finally, 26 cases of BCH and 37 cases of HNSCC were analyzed in the current study.
3
Integrated Endocytoscope for High Magnification
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An integrated-type endocytoscope (GIF-Y0002, Olympus Co., Tokyo, Japan) was used in the present study. As with a conventional magnification endoscope, the magnification was adjustable by pulling a lever to perform continuous observation, from conventional to ultra-high magnification. The maximum magnification was × 380, the microscopic field area 700 μm × 600 μm, and the depth of observation was 50 μm. The image quality of the endocytoscope was comparable to that of GIF-Q260 (Olympus, Japan), and was sufficient to make an accurate diagnosis.
4
Endoscopic Imaging of Gastric Cancer
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In this single-center retrospective cohort study, the images used were obtained from consecutive cases in which one endoscopist (Y.H.) performed ESD from July 2016 to July 2019. The images and information regarding the cases were extracted from patients' electronic medical records.
Inclusion criteria were cases for which both ME-NBI and EC-NBI were available, and where both images depicted the utmost oral side of the cancerous tissue, as well as the adjacent, non-cancerous tissue. Exclusion criteria were cases in which either ME-NBI or EC-NBI were unavailable or unclear because of the presence of mucus, blood, halation, etc. We also excluded cases with borderline lesions, such as adenoma.
All images were selected by an instructor of the Japan Gastroenterological Endoscopy Society (Y.H.), and a second instructor of the same society (T.H.) confirmed that all images met the inclusion and exclusion criteria. GIF-H260Z and GIF-H290Z videoscopes (Olympus Medical Systems, Tokyo, Japan) were used for ME-NBI. GIF-Y0002 and GIF-H290EC endocytoscopes (Olympus Medical Systems) were used for EC-NBI.
Inclusion criteria were cases for which both ME-NBI and EC-NBI were available, and where both images depicted the utmost oral side of the cancerous tissue, as well as the adjacent, non-cancerous tissue. Exclusion criteria were cases in which either ME-NBI or EC-NBI were unavailable or unclear because of the presence of mucus, blood, halation, etc. We also excluded cases with borderline lesions, such as adenoma.
All images were selected by an instructor of the Japan Gastroenterological Endoscopy Society (Y.H.), and a second instructor of the same society (T.H.) confirmed that all images met the inclusion and exclusion criteria. GIF-H260Z and GIF-H290Z videoscopes (Olympus Medical Systems, Tokyo, Japan) were used for ME-NBI. GIF-Y0002 and GIF-H290EC endocytoscopes (Olympus Medical Systems) were used for EC-NBI.
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