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Expert Rev Med Devices. 2017 Jul;14(7):495-503. doi: 10.1080/17434440.2017.1343142. Epub 2017 Jun 22.

Evaluation of NinePoint Medical's Nvision VLE device for gastrointestinal applications.

Author information

1
a Division of Gastroenterology, St. Michael's Hospital , University of Toronto , Toronto , Ontario , Canada.
2
b Beth Israel Deaconess Medical Center , Boston , MA , USA.

Abstract

The incidence of esophageal adenocarcinoma (EAC) has increased over the last few decades. With a known precursor lesion, Barrett's esophagus, this remains a target for screening and surveillance with the goal of detecting and providing curative treatment for early neoplasia. Areas covered: Current surveillance techniques rely on white light endoscopy and random tissue sampling which is time consuming, costly and prone to sampling error. Volumetric laser endomicroscopy (VLE), a second-generation optical coherence technology, has emerged as an advanced imaging modality with the potential to improve dysplasia detection, surveillance and subsequently prevent esophageal adenocarcinoma. This review will focus on the use of VLE for advanced imaging of Barrett's esophagus and summarize its current and potential uses elsewhere in the GI tract. Expert commentary: NinePoint's VLE imaging device enables imaging of large segments of BE facilitating identification of luminal and subsurface abnormalities that may have otherwise been missed. Its diagnostic accuracy is improving and laser-marking system adds the capacity for accurate VLE-histologic correlation. With the adoption of dysplasia scoring systems that utilize very few VLE imaging features, inexperienced endoscopists will likely be able to pick out areas concerning for dysplasia to target therapy.

KEYWORDS:

Barrett’s esophagus; advanced endoscopic imaging; esophageal cancer; optical coherence tomography; volumetric laser endomicroscopy

PMID:
28617072
DOI:
10.1080/17434440.2017.1343142
[Indexed for MEDLINE]

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