Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2021 Jan 1;9(1):E58–E65. doi: 10.1055/a-1293-7487

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commecial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives License, which permits unrestricted reproduction and distribution, for non-commercial purposes only; and use and reproduction, but not distribution, of adapted material for non-commercial purposes only, provided the original work is properly cited.

PMC Copyright notice

Fig. 4 — A case of duodenal adenocarcinoma without biopsy. a Endoscopic findings using conventional endoscopy with white light imaging. A reddish, slightly depressed lesion (10 mm in diameter) is seen in the second part of the duodenum. b Endoscopic findings using magnifying endoscopy with narrow-band imaging findings (M-NBI). A clear demarcation line (DL) is visible because of differences in the vessel plus surface (VS) component between the cancerous and noncancerous mucosa. V: Proliferation of microvessels with variable sizes, asymmetrical distribution, and irregular arrangement make this an irregular microvascular (MV) pattern. S: There are areas where the marginal crypt epithelium cannot be visualized, and analysis of the white opaque substance (WOS) morphology shows it to be irregular WOS with a speckled pattern. This lesion was assessed as an irregular microsurface (MS) pattern. The VS classification of this lesion was an irregular MV pattern plus irregular MS pattern (WOS +) with a DL. Therefore, the M-NBI diagnosis was cancer. c The final histological diagnosis was a well-differentiated intramucosal adenocarcinoma.