scholarly journals Smartphone‐based multimodal tethered capsule endoscopic platform for white‐light, narrow‐band, and fluorescence/autofluorescence imaging

2020 ◽  
Author(s):  
Gargi Sharma ◽  
Oana‐Maria Thoma ◽  
Katharina Blessing ◽  
Robert Gal ◽  
Maximilian Waldner ◽  
...  
Keyword(s):  
White Light ◽  
Narrow Band ◽  
Autofluorescence Imaging

scholarly journals Visualization of Laterally Spreading Colorectal Tumors by Using Image-Enhanced Endoscopy

2012 ◽  
Vol 2012 ◽  
pp. 1-6 ◽  
Author(s):  
Naoto Tamai ◽  
Yutaka Saito ◽  
Taku Sakamoto ◽  
Takeshi Nakajima ◽  
Takahisa Matsuda ◽  
...  
Keyword(s):  
White Light ◽  
Narrow Band ◽  
Narrow Band Imaging ◽  
Indigo Carmine ◽  
Autofluorescence Imaging ◽  
Colorectal Tumors ◽  
White Light Imaging ◽  
Experienced Endoscopists ◽  
Laterally Spreading Tumors

Laterally spreading tumors may sometimes evade detection by colonoscopy. This study aimed to evaluate the use of image-enhanced endoscopy for visualizing laterally spreading tumors of the nongranular type. We reviewed consecutive patients with 47 non-granular-type laterally spreading tumors that had been examined using white-light imaging, autofluorescence imaging, narrow-band imaging, and chromoendoscopy with indigo carmine. The quality of visualization was evaluated using a 5-point scale by less- and more-experienced endoscopists. Autofluorescence imaging provided significantly better visualization than white-light imaging for both less-experienced and experienced endoscopists. On the other hand, no significant differences were observed between the quality of visualization provided by white-light imaging and narrow-band imaging for less-experienced endoscopists. Autofluorescence imaging provides high-quality visualization of non-granular-type laterally spreading tumors on still images. Multicenter trials should be conducted to confirm the usefulness of autofluorescence imaging in detecting laterally spreading colorectal tumors.

Narrow band imaging versus autofluorescence imaging for head and neck squamous cell carcinoma detection: a prospective study

2016 ◽  
Vol 130 (11) ◽  
pp. 1001-1006 ◽  
Author(s):  
X-G Ni ◽  
Q-Q Zhang ◽  
G-Q Wang
Keyword(s):  
Squamous Cell ◽  
White Light ◽  
High Performance ◽  
Narrow Band ◽  
Narrow Band Imaging ◽  
Malignant Lesion ◽  
Morphological Characteristics ◽  
Autofluorescence Imaging ◽  
Light Image ◽  
Imaging Mode

AbstractObjectives:This study aimed to compare the diagnostic effectiveness of narrow band imaging and autofluorescence imaging for malignant laryngopharyngeal tumours.Methods:Between May 2010 and October 2010, 50 consecutive patients with suspected laryngopharyngeal tumour underwent endoscopic laryngopharynx examination. The morphological characteristics of laryngopharyngeal lesions were analysed using high performance endoscopic systems equipped with narrow band imaging and autofluorescence imaging modes. The diagnostic effectiveness of white light image, narrow band imaging and autofluorescence imaging endoscopy for benign and malignant laryngopharyngeal lesions was evaluated.Results:Under narrow band imaging endoscopy, the superficial microvessels of squamous cell carcinomas appeared as dark brown spots or twisted cords. Under autofluorescence imaging endoscopy, malignant lesions appeared as bright purple. The sensitivity of malignant lesion diagnosis was not significantly different between narrow band imaging and autofluorescence imaging modes, but was better than for white light image endoscopy (χ2 = 12.676, p = 0.002). The diagnostic specificity was significantly better in narrow band imaging mode than in both autofluorescence imaging and white light imaging mode (χ2 = 8.333, p = 0.016).Conclusion:Narrow band imaging endoscopy is the best option for the diagnosis and differential diagnosis of laryngopharyngeal tumours.

scholarly journals Smartphone-based multimodal tethered capsule endoscopic platform for white-light, narrow-band, and fluorescence/autofluorescence imaging

2021 ◽  
Author(s):  
Gargi Sharma ◽  
Oana-Maria Thoma ◽  
Katharina Blessing ◽  
Robert Gall ◽  
Maximilian Waldner ◽  
...  
Keyword(s):  
White Light ◽  
Narrow Band ◽  
Autofluorescence Imaging

scholarly journals The Impact of Narrow-band Imaging on the Pre- and Intra- operative Assessments of Neoplastic and Preneoplastic Laryngeal Lesions. A Systematic Review

2020 ◽  
Author(s):  
Carmelo Saraniti ◽  
Enzo Chianetta ◽  
Giuseppe Greco ◽  
Norhafiza Mat Lazim ◽  
Barbara Verro
Keyword(s):  
White Light ◽  
Diagnostic Tool ◽  
Narrow Band ◽  
Narrow Band Imaging ◽  
Resection Margins ◽  
Predictive Values ◽  
White Light Endoscopy ◽  
Laryngeal Lesions ◽  
Sensitivity Specificity ◽  
The Impact

Introduction Narrow-band imaging is an endoscopic diagnostic tool that, focusing on superficial vascular changes, is useful to detect suspicious laryngeal lesions, enabling their complete excision with safe and tailored resection margins. Objectives To analyze the applications and benefits of narrow-band imaging in detecting premalignant and malignant laryngeal lesions through a comparison with white-light endoscopy. Data Synthesis A literature search was performed in the PubMed, Scopus and Web of Science databases using strict keywords. Then, two authors independently analyzed the articles, read the titles and abstracts, and read completely only the relevant studies according to certain eligibility criteria. In total, 14 articles have been included in the present review; the sensitivity, specificity, positive and negative predictive values, and accuracy of pre- and/or intraoperative narrow-band imaging were analyzed. The analysis showed that narrow-band imaging is better than white-light endoscopy in terms of sensitivity, specificity, positive and negative predictive values, and accuracy regarding the ability to identify cancer and/or precancerous laryngeal lesions. Moreover, the intraoperative performance of narrow-band imaging resulted more effective than the in-office performance. Conclusion Narrow-band imaging is an effective diagnostic tool to detect premalignant and malignant laryngeal lesions and to define proper resection margins. Moreover, narrow-band imaging is useful in cases of leukoplakia that may cover a possible malignant lesion and that cannot be easily assessed with white-light endoscopy. Finally, a shared, simple and practical classification of laryngeal lesions, such as that of the European Laryngological Society, is required to identify a shared lesion management strategy. Key Points

scholarly journals Evaluating Laryngopharyngeal Tumor Extension Using Narrow Band Imaging Versus Conventional White Light Imaging

2021 ◽  
Author(s):  
Manon A. Zwakenberg ◽  
Gyorgy B. Halmos ◽  
Jan Wedman ◽  
Bernard F. A. M. Laan ◽  
Boudewijn E. C. Plaat
Keyword(s):  
White Light ◽  
Narrow Band ◽  
Narrow Band Imaging ◽  
Tumor Extension ◽  
White Light Imaging
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