Prediction of colorectal tumor grade and invasion depth through narrow-band imaging scoring

Prediction of invasion depth for submucosal differentiated gastric cancer by magnifying endoscopy with narrow-band imaging.

The usefulness of determining gastric cancer invasion depth by magnifying endoscopy with narrow-band imaging (NBI-ME) has not been established. The objective of our study was to retrospectively compare NBI-ME images of differentiated submucosal (SM) 1 cancer with those of SM2 to identify the indicators of invasion depth for SM2 gastric cancer. Fifteen patients with SM1 differentiated gastric ca...

Usefulness of Magnifying Endoscopy with Narrow-Band Imaging for Determining Tumor Invasion Depth in Early Gastric Cancer

Backgrounds. Magnifying endoscopy with narrow-band imaging (ME-NBI) has become essential for determining tumor margin in early gastric cancer (EGC). Here, we investigated the usefulness of ME-NBI for assessment of invasion depth in EGC. Methods. For 119 patients who had undergone ME-NBI and en bloc resection by endoscopic submucosal dissection, three physicians prospectively examined high-magni...

Evaluation of microvessels in colorectal tumors by NBI magnification 1 Narrow band imaging (NBI) magnification predicts the histology and invasion depth of colorectal tumors

[Narrow band imaging for detection of non-polypoid colorectal neoplasms].

Non-polypoid (flat and depressed) colorectal neoplasms (NP-CRNs) are more difficult to detect by conventional white light colonoscopy (WLC) or computed tomography colonography, because the subtle findings can be difficult to distinguish from those of normal mucosa. Narrow band imaging (NBI) has been reported to highlight the mucosal capillaries of neoplastic lesions, and thus increase the detec...

Development of a Real-time Colorectal Tumor Classification System for Narrow-band Imaging zoom-videoendoscopy

Colorectal endoscopy is important for the early detection and treatment of colorectal cancer and is used worldwide. A computer-aided diagnosis (CAD) system that provides an objective measure to endoscopists during colorectal endoscopic examinations would be of great value. In this study, we describe a newly developed CAD system that provides real-time objective measures. Our system captures the...