Accuracy of in vivo optical diagnosis of colon polyp histology by narrow-band imaging in predicting colonoscopy surveillance intervals

Gupta, Neil; Bansal, Ajay; Rao, Deepthi; Early, Dayna S.; Jonnalagadda, Sreenivasa S.; Edmundowicz, Steven A.; Sharma, Prateek; Rastogi, Amit

doi:10.1016/j.gie.2011.08.002

Cited by 68 publications

(54 citation statements)

References 17 publications

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“…Other studies have reported that academic and community endoscopist can meet the PIVI threshold of at least 90% NPV for adenomas in diminutive rectosigmoid lesions 5,[9][10][11][12][13][14] , including when SSPs were counted as adenomas [9][10][11]13 . We found that absolute prevalence of SSPs in diminutive rectosigmoid lesions that appear hyperplastic was 0.6% to 2.1% according to pathology interpretations by three expert pathologists.…”

Section: A C C E P T E D Accepted Manuscriptmentioning

confidence: 99%

Prevalence of sessile serrated adenoma/polyp in hyperplastic-appearing diminutive rectosigmoid polyps

Ponugoti

Odze

et al. 2017

Gastrointestinal Endoscopy

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Section: A C C E P T E D Accepted Manuscriptmentioning

confidence: 99%

Prevalence of sessile serrated adenoma/polyp in hyperplastic-appearing diminutive rectosigmoid polyps

Ponugoti

Odze

et al. 2017

Gastrointestinal Endoscopy

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“…This last group of techniques modify how the scene is observed by improving the contrast of endoluminal scene elements, which may help in lesion detection and also with in-vivo lesion diagnosis due to the enhanced visualization of lesion tissues [20]. These advances have fostered the cooperation between clinicians and computer scientists in the development and validation of computer-aided support systems for colonoscopy, aimed to help clinicians in all stages of CRC diagnosis.…”

Section: B Technical Strategies To Improve Polyp Detection Ratementioning

confidence: 99%

Comparative Validation of Polyp Detection Methods in Video Colonoscopy: Results From the MICCAI 2015 Endoscopic Vision Challenge

Bernal

Tajkbaksh

Sánchez

et al. 2017

IEEE Trans. Med. Imaging

364

276

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Abstract-Colonoscopy is the gold standard for colon cancer screening though still some polyps are missed, thus preventing early disease detection and treatment. Several computational systems have been proposed to assist polyp detection during colonoscopy but so far without consistent evaluation. The lack of publicly available annotated databases has made it difficult to compare methods and to assess if they achieve performance levels acceptable for clinical use. The Automatic Polyp Detection subchallenge, conducted as part of the Endoscopic Vision Challenge (http://endovis.grand-challenge.org) at the international conference on Medical Image Computing and Computer Assisted Intervention (MICCAI) in 2015, was an effort to address this need. In this paper, we report the results of this comparative evaluation of polyp detection methods, as well as describe additional experiments to further explore differences between methods. We define performance metrics and provide evaluation databases that allow comparison of multiple methodologies. Results show that convolutional neural networks (CNNs) are the state of the art. Nevertheless it is also demonstrated that combining different methodologies can lead to an improved overall performance.

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“…The "resect and discard" strategy represents an option for the management of diminutive and small adenomatous polyps (less than 10 mm in size), which means the real time recognition of histology by NBI evaluation, followed by resection and discard of polyps without sending for histologic assessment [14]. The post-polypectomy surveillance intervals might be predicted on the basis of estimated histology of diminutive polyps by NBI and the histopathologic assessment of larger polyps [15]. In case of diminutive rectosigmoidian hyperplastic polyps, the "do not resect" strategy could be applied in practice.…”

Section: Characterization Of Colonic Lesionsmentioning

confidence: 99%

The Usefulness Of Narrow Band Imaging Endoscopy For The Real Time Characterization Of Colonic Lesions

Boeriu

Pascarenco

Brusnic

et al. 2016

Acta Medica Marisiensis

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Narrow band imaging represents a promising endoscopic technique which allows real time characterization of colonic lesions by assessment of mucosal and vascular patterns. Due to the ability to make an optical biopsy, NBI could become a useful tool in clinical decisions regarding therapy and surveillance. The aim of this paper is to review the current knowledge on the optical diagnosis of colonic lesions by using NBI endoscopy. We reviewed research articles, reviews and meta-analyses from the PubMed and MEDLINE containing relevant data in this field. The validity of endoscopic criteria for the differentiation of adenoma and hyperplastic polyps, as well as of invasive cancer, has been evaluated in recent studies. Based on the prediction of polyp histology, new potential cost saving strategies have been proposed. Many reports are focused on the accuracy of optical biopsy by using NBI for predicting colonoscopy surveillance intervals and adenomatous histology in diminutive polyps, according to the Preservation and Incorporation of Valuable Endoscopic Innovations statement. Optical diagnosis is still under evaluation, and cannot yet be endorsed in routine practice. The high level of performance achieved by expert endoscopists needs to be replicated in the community utilizing reliable and standardized endoscopic criteria. IntroductionThe development of advanced endoscopic techniques such as narrow band imaging endoscopy, with or without magnification, represents an important step in the improvement of characterization of colonic lesions by predicting underlying histology. This creates the possibility to adopt new strategies regarding therapy and surveillance in clinical practice. The potential benefits of the real time estimation of a polyp's histology during NBI endoscopy, so called "optical biopsy", are related to potentially decreasing total costs of colonoscopy by eliminating unnecessary biopsies and polypectomies. Recent reports have shown promising results in this field, but controversies remain. Concerns center upon a lack of standardization among different classification systems, variable inter-observer agreement, and lagging clinical acceptance.The aim of this paper is to assess the current knowledge on the optical diagnosis of colonic lesions by using NBI endoscopy. We reviewed research articles, reviews and meta-analyses published in the last eight years in the PubMed and MEDLINE databases for the following search terms: narrow band imaging endoscopy, colonic polyps, and colorectal neoplasia.

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Accuracy of in vivo optical diagnosis of colon polyp histology by narrow-band imaging in predicting colonoscopy surveillance intervals

Cited by 68 publications

References 17 publications

Prevalence of sessile serrated adenoma/polyp in hyperplastic-appearing diminutive rectosigmoid polyps

Prevalence of sessile serrated adenoma/polyp in hyperplastic-appearing diminutive rectosigmoid polyps

Comparative Validation of Polyp Detection Methods in Video Colonoscopy: Results From the MICCAI 2015 Endoscopic Vision Challenge

The Usefulness Of Narrow Band Imaging Endoscopy For The Real Time Characterization Of Colonic Lesions

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