Results 21 to 30 of about 269,715 (293)

Narrow-band imaging for detecting nasal lymphoma

open access: yesPhotodiagnosis and Photodynamic Therapy, 2023
Narrow-band imaging (NBI) is an advanced endoscopic technique that enhances the mucosal neovascularization. The utilization of narrow-band imaging on the detection of nasal lymphomas is not well-established.To present a clinical case whose nasal lymphoma was detected with the aid of NBI.A 91-year-old male presented to the ear, nose, and throat clinic ...
Peng Yeh, Tzu-Yu Li, Po-Wen Cheng
openaire   +2 more sources

Narrow-band imaging bronchoscopy in the detection of premalignant airway lesions: a meta-analysis of diagnostic test accuracy

open access: yesTherapeutic Advances in Respiratory Disease, 2015
Objectives: Both autofluorescence imaging bronchoscopy and narrow-band imaging have shown promise in the detection of premalignant airway lesions, each by utilizing different bandwidths of lights for better characterization of the mucosal and submucosal ...
Imran H. Iftikhar, Ali I. Musani
doaj   +1 more source

Narrow Band Imaging: Technology Basis and Research and Development History [PDF]

open access: yesClinical Endoscopy, 2015
The first launch of narrow band imaging (NBI) was in 2005. Since then, in most countries where gastrointestinal endoscopies are performed, NBI is the most commonly used optical digital method of performing image-enhanced endoscopy.
Kazuhiro Gono
doaj   +1 more source

Meta-analysis: narrow band imaging for diagnosis of gastric intestinal metaplasia. [PDF]

open access: yesPLoS ONE, 2014
BACKGROUND: Distinguishing early gastric cancer is challenging with current imaging techniques. Narrow band imaging (NBI) is effective for characterizing gastric lesions.
Jia Song   +6 more
doaj   +1 more source

Hinode/EIS spectroscopic validation of very hot plasma imaged with Solar Dynamics Observatory in non-flaring active region cores [PDF]

open access: yes, 2012
We use coronal imaging observations with SDO/AIA, and Hinode/EIS spectral data, to explore the potential of narrow band EUV imaging data for diagnosing the presence of hot (T >~5MK) coronal plasma in active regions.
Brooks   +19 more
core   +2 more sources

A meta-analysis of narrow-band imaging for the diagnosis of primary nasopharyngeal carcinoma [version 1; referees: 2 approved]

open access: yesF1000Research, 2018
Background: Narrow band imaging (NBI), an endoscopic technique featuring an augmented definition of microvasculature and mucosal patterns. NBI is increasingly advocated as a tool to characterize neoplasia and intestinal metaplasia in endoscopic standards,
David CM Yeung   +4 more
doaj   +1 more source

Lyman Alpha Emitters at Redshift 5.7 in the COSMOS Field [PDF]

open access: yes, 2007
We present results from a narrow-band optical survey of a contiguous area of 1.95 deg^2, covered by the Cosmic Evolution Survey (COSMOS). Both optical narrow-band (lambda_c = 8150 AA and Delta_lambda = 120 AA) and broad-band (B, V, g', r', i', and z ...
A. Cimatti   +39 more
core   +4 more sources

A narrow-band speckle-free light source via random Raman lasing

open access: yes, 2015
Currently, no light source exists which is both narrow-band and speckle-free with sufficient brightness for full-field imaging applications. Light emitting diodes (LEDs) are excellent spatially incoherent sources, but are tens of nanometers broad. Lasers
Bixler, Joel N.   +10 more
core   +1 more source

Intravascular endoscopy improvement through narrow-band imaging [PDF]

open access: yesInternational Journal of Computer Assisted Radiology and Surgery, 2017
Recent advances in endoscopy have led to new technologies with significant optical imaging improvements. Since its development a few years ago, narrow-band imaging (NBI) has already been proved useful in detecting malignant lesions and carcinoma in clinical settings of urology, gastroenterology and ENT.
Axel Boese   +3 more
openaire   +2 more sources

Narrow band imaging (NBI) during medical thoracoscopy: first impressions

open access: yesJournal of Occupational Medicine and Toxicology, 2009
Background This is the first ever evaluation of narrow band imaging (NBI), an innovative endoscopic imaging procedure, for the visualisation of pleural processes.
Blum Torsten   +5 more
doaj   +1 more source

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