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Usefulness of Magnifying Endoscopy With Narrow-Band Imaging for Diagnosis of Ulcerative Colitis-Associated Neoplasia.
J Gastroenterol Hepatol
January 2025
Department of Gastroenterology, Yokohama City University Graduate School of Medicine, Yokohama, Kanagawa, Japan.
Background And Aim: Qualitative diagnosis of ulcerative colitis-associated neoplasia (UCAN) is crucial for surveillance colonoscopy in patients with ulcerative colitis (UC). Although the utility of magnifying endoscopy with narrow-band imaging (ME-NBI) in sporadic neoplasia diagnosis has been reported, its efficacy in UCAN remains unclear. This study aimed to evaluate the usefulness of ME-NBI for qualitative diagnosis of UCAN.
View Article and Find Full Text PDFWhite-Light Imaging and Image-Enhanced Endoscopy With Magnifying Endoscopy for the Optical Diagnosis of Superficial Nonampullary Duodenal Epithelial Tumors: A Systematic Review and Meta-Analysis.
J Gastroenterol Hepatol
November 2024
Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan.
Background And Aim: Optical diagnosis of superficial nonampullary duodenal epithelial tumors using white-light imaging (WLI) and/or narrow-band imaging with magnifying endoscopy (NBI-ME) is used to guide the treatment strategy and avoid biopsy-induced fibrosis. However, the effectiveness of this approach has not been elucidated. We conducted a systematic review and meta-analysis aiming to investigate the diagnostic yield between Vienna classification category 3 (VCL C3) and categories 4 or 5 (VCL C4/C5) using biopsy, WLI, NBI-ME, and WLI + NBI-ME.
View Article and Find Full Text PDFCorrection: Accuracy and influencing factors of Type B2 vessels in predicting the invasion depth of superficial esophageal squamous cell carcinoma under narrow-band imaging magnifying endoscopy.
Discov Oncol
October 2024
Department of Endoscopy Center, The First Affiliated Hospital of Fujian Medical University, Fuzhou, 350000, Fujian, China.
White Globe Appearance-Like Findings Indicating Intralymphatic Cancer Involvement Beneath the Epithelium in Gastric Cancer.
Case Rep Gastrointest Med
October 2024
Department of Gastroenterology, Sendai City Medical Center, Miyagi, Japan.
Article Synopsis
- A 75-year-old woman was diagnosed with early-stage gastric cancer during an endoscopic examination, specifically a type 0-I carcinoma located on the middle part of her stomach.
- During the procedure, small whitish structures called white globe appearances (WGAs) were observed near the cancer area, indicating potential subepithelial cancer spread despite the surface appearing flat and noncancerous.
- Histopathology results confirmed the presence of cancer with significant lymphatic invasion, showing that the cancer had spread along the lymphatic vessels into surrounding tissues, which was likely responsible for the WGA characteristics seen during the endoscopy.
Correlation between White Globe Appearance and Clinicopathologic Characteristics in Early Gastric Cancer.
Gut Liver
October 2024
Department of Internal Medicine, Pusan National University School of Medicine and Biomedical Research Institute, Pusan National University Hospital, Busan, Korea.
Background/aims: Magnifying endoscopy with narrow-band imaging (ME-NBI) enables the visualization of detailed microsurface (MS) and microvascular (MV) structures in the gastrointestinal tract. White globe appearance (WGA) is a small whitish lesion with a globular shape identified during ME-NBI for early gastric cancer (EGC). This study aimed to investigate the associations between WGA, clinicopathological characteristics, and other ME-NBI findings in patients with EGC.
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