Comparison of Magnifying Endoscopy with Blue Light Imaging and Narrow Band Imaging for Determining the Invasion Depth of Superficial Esophageal Squamous Cell Carcinoma by the Japanese Esophageal Society’s Intrapapillary Capillary Loop Classification

Hatta, Waku; Koike, Tomoyuki; Ogata, Yohei; Kondo, Yutaka; Ara, Nobuyuki; Uno, Kaname; Asano, Naoki; Imatani, Akira; Masamune, Atsushi

doi:10.3390/diagnostics11111941

Cited by 10 publications

(6 citation statements)

References 28 publications

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“…Thanks to narrow band filters, only two specific bands of visible light, which are typical for the absorption peak of hemoglobin, are allowed to pass through. The observed wavelengths increase the visibility of microvascular abnormalities that could be related to preneoplastic and neoplastic mucosal changes [64][65][66][67][68].…”

Section: Discussionmentioning

confidence: 95%

Clinical Experience with Autofluorescence Guided Oral Squamous Cell Carcinoma Surgery

Pošta,

Kolk,

Pivovarčíková

et al. 2023

Preprint

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The influence of preoperative examination of oral squamous cell carcinoma (OSCC) mucosal surrounding by VELscope (Visually Enhanced Lesion Scope) on the radicality of surgical treatment of OSCC was the goal of this study.It is the first analysis of its kind with a total number of 122 patients suffering from OSCC with homogenous distribution of different tumor stages randomized into a study and a control group and enrolled in our study after meeting the inclusion criteria. The preoperative checkup by VELscope accompanied by the marking of the range of a loss of fluorescence in the study group was performed before the surgery. We have developed a unique mucosal tattoo marking technique for this purpose. The pathohistological results after surgical treatment, i.e. the margin status, were then compared. We achieved the pathological free margin (pFM) in 55 patients, the pathological close margin (pCM) in 6 cases and we encountered no case of the pathological positive margin (pPM) in the mucosal layer in the study group. In comparison, the control group results revealed pPM in 7 cases, pCM in 14 cases and pFM in 40 of all cases in the mucosal layer. This study proved that the preoperative autofluorescence evaluation of a tumor mucosal surrounding can enhance the ability to reach the pFM resection.

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Section: Discussionmentioning

confidence: 95%

Clinical Experience with Autofluorescence Guided Oral Squamous Cell Carcinoma Surgery

Pošta,

Kolk,

Pivovarčíková

et al. 2023

Preprint

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“…Using NBI or BLI, the diagnosis of invasion depth of ESCC has been established by altered morphology of the IPCL on the surface of the esophagus and contributed largely to the development of endoscopic treatment [7,30]. IPCLs are classified into type A and type B.…”

Section: Esophagusmentioning

confidence: 99%

Recent Progress of Image-Enhanced Endoscopy for Upper Gastrointestinal Neoplasia and Associated Lesions

Miura,

Osawa,

Sugano

2023

Dig Dis

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Background: The main therapeutic modality of early upper gastrointestinal neoplasms has shifted from surgery to endoscopic therapy. The role of endoscopy has also expanded not only for more accurate diagnosis of neoplasms but for the determination of extent and depth of neoplasms with a combination of multiple electronically modified images acquired with image-enhanced endoscopy (IEE) for assessing the feasibility of endoscopic treatment. Summary: These IEE with or without magnifying endoscopy including narrow band imaging (NBI), blue LASER imaging (BLI) and linked color imaging (LCI) using narrow-band light, has greatly changed the diagnosis for upper gastrointestinal neoplasms. These modalities produce high color contrast between cancer and surrounding mucosa at distant views and clear visualization of surface and vessels at close-up observations. LCI shows purple color of intestinal metaplasia (IM) distinct from other inflammatory gastric mucosae and facilitates the recognition of early gastric cancers often surrounded by IM. Recently ultrathin endoscopy has provided high resolution images similar to standard-caliber endoscopy. In addition, these advanced IEEs that integrate computer-assisted artificial intelligence systems are marked and will improve our diagnostic performance for neoplasia in the future. Key message: New IEE with sufficient brightness and color contrast has increasingly been used based on accumulated evidence for early and accurate detection of neoplastic lesions. We provide recent articles relevant to endoscopic diagnosis with IEE on esophageal, gastric and duodenal neoplasms. Endoscopic equipment that integrates artificial intelligence support system is now being introduced into routine clinical use and is expected to enhance early detection of neoplastic lesions.

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“…For ≥SM2 staging with IPCL, an underestimation of 38.9% was shown and Arima classification outperformed the other two (Arima vs. Inoue vs. JES: 84.0% vs. 55.84% vs. 55.0%, p < 0.005) (Table 3 ). Hatta et al [ 34 ] compared the diagnostic ability of magnifying endoscopy with BLI and NBI for the determination of invasion depth of SESCC by application of the JES IPCL classification. The overall accuracies did not significantly differ, and the sensitivity and predictive values in MM and ≥SM2 tumors were low.…”

Section: The Clinical Role Of Enhanced Endoscopymentioning

confidence: 99%

Advanced Imaging in Gastrointestinal Endoscopy: A Literature Review of the Current State of the Art

Sinonquel¹,

Vermeire²,

Maes³

et al. 2022

GE Port J Gastroenterol

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Background and Aims: Gastrointestinal (GI) endoscopy has known a great evolution in the last decades. Imaging techniques evolved from imaging with only standard white light endoscopes toward high-definition resolution endoscopes and the use of multiple color enhancement techniques, over to automated endoscopic assessment systems based on artificial intelligence. This narrative literature review aimed to provide a detailed overview on the latest evolutions within the field of advanced GI endoscopy, mainly focusing on the screening, diagnosis, and surveillance of common upper and lower GI pathology. Methods: This review comprises only literature about screening, diagnosis, and surveillance strategies using advanced endoscopic imaging techniques published in (inter)national peer-reviewed journals and written in English. Studies with only adult patients included were selected. A search was performed using MESH terms: dye-based chromoendoscopy, virtual chromoendoscopy, video enhancement technique, upper GI tract, lower GI tract, Barrett’s esophagus, esophageal squamous cell carcinoma, gastric cancer, colorectal polyps, inflammatory bowel disease, artificial intelligence. This review does not elaborate on the therapeutic application or impact of advanced GI endoscopy. Conclusions: Focusing on current and future applications and evolutions in the field of both upper and lower GI advanced endoscopy, this overview is a practical but detailed projection of the latest developments. Within this review, an active leap toward artificial intelligence and its recent developments in GI endoscopy was made. Additionally, the literature is weighted against the current international guidelines and assessed for its potential positive future impact.

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Comparison of Magnifying Endoscopy with Blue Light Imaging and Narrow Band Imaging for Determining the Invasion Depth of Superficial Esophageal Squamous Cell Carcinoma by the Japanese Esophageal Society’s Intrapapillary Capillary Loop Classification

Cited by 10 publications

References 28 publications

Clinical Experience with Autofluorescence Guided Oral Squamous Cell Carcinoma Surgery

Clinical Experience with Autofluorescence Guided Oral Squamous Cell Carcinoma Surgery

Recent Progress of Image-Enhanced Endoscopy for Upper Gastrointestinal Neoplasia and Associated Lesions

Advanced Imaging in Gastrointestinal Endoscopy: A Literature Review of the Current State of the Art

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