Endoscopic Observation of Tissue by Narrowband Illumination

Kazuhiro Gono; Kenji Yamazaki; Nobuyuki Doguchi; Tetsuo Nonami; Takashi Obi; Masahiro Yamaguchi; Nagaaki Ohyama; Hirohisa Machida; Yasushi Sano; Shigeaki Yoshida; Yasuo Hamamoto; Takao Endo

doi:10.1007/s10043-003-0211-8

Endoscopic Observation of Tissue by Narrowband Illumination

Kazuhiro Gono, Kenji Yamazaki, Nobuyuki Doguchi, Tetsuo Nonami, Takashi Obi, Masahiro Yamaguchi, Nagaaki Ohyama, Hirohisa Machida, Yasushi Sano, Shigeaki Yoshida, Yasuo Hamamoto, Takao Endo

Research output: Contribution to journal › Article

252 Citations (Scopus)

Abstract

We propose a new illumination method for a medical endoscope: narrow band imaging (NBI), in which the spectral bandwidth of the filtered light is narrowed. To confirm how the spectral specifications of the filtered light influence a reproduced image, an experiment was conducted observing the endoscopic images of the back mucosa of a human tongue. In addition, the effect of NBI on endoscopie images was investigated through preliminary clinical tests in colonoscopy and upper gastrointestinal endoscopy. It has been shown that NBI can enhance the capillary pattern and the crypt pattern on the mucosa. These patterns are useful features for diagnosing an early cancer.

Original language	English
Pages (from-to)	211-215
Number of pages	5
Journal	Optical Review
Volume	10
Issue number	4
DOIs	https://doi.org/10.1007/s10043-003-0211-8
Publication status	Published - 2003 Jan 1
Externally published	Yes

Keywords

Blood vessel
Clinical test
Narrowband illumination
Tissue imaging
Video endoscope

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

Access to Document

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Cite this

Gono, K., Yamazaki, K., Doguchi, N., Nonami, T., Obi, T., Yamaguchi, M., Ohyama, N., Machida, H., Sano, Y., Yoshida, S., Hamamoto, Y., & Endo, T. (2003). Endoscopic Observation of Tissue by Narrowband Illumination. Optical Review, 10(4), 211-215. https://doi.org/10.1007/s10043-003-0211-8

Endoscopic Observation of Tissue by Narrowband Illumination. / Gono, Kazuhiro; Yamazaki, Kenji; Doguchi, Nobuyuki; Nonami, Tetsuo; Obi, Takashi; Yamaguchi, Masahiro; Ohyama, Nagaaki; Machida, Hirohisa; Sano, Yasushi; Yoshida, Shigeaki; Hamamoto, Yasuo; Endo, Takao.

In: Optical Review, Vol. 10, No. 4, 01.01.2003, p. 211-215.

Research output: Contribution to journal › Article

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AU - Ohyama, Nagaaki

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