Transnasal esophagoscopy: white-light versus narrowband imaging

The Annals of Otology, Rhinology, and Laryngology
Timothy J O'Brien, Kourosh Parham

Abstract

Transnasal esophagoscopy (TNE) is rapidly becoming integrated into otolaryngological practice. A recent report has shown an incongruence between an endoscopic diagnosis of Barrett's esophagus and biopsy-proven Barrett's esophagus in patients with laryngopharyngeal reflux (LPR). The goal of this study was to determine whether performing TNE with narrowband imaging (NBI) improves on the diagnostic yield in the otolaryngologist's hands. Narrowband imaging involves the use of filtered light to enhance the mucosal microvasculature pattern and has been shown to be highly sensitive to detecting Barrett's esophagus under conventional esophagoscopy. A retrospective chart review of 111 patients with LPR who underwent TNE by the same otolaryngologist was carried out. Pentax EE-1580K (white light only) and Olympus GIF-N180 (with NBI) endoscopes were used in 58 and 53 patients, respectively. Microcup biopsy of the squamocolumnar junction was obtained when Barrett's esophagus was suspected. Biopsy-proven Barrett's esophagus was found in 13.5% of the patients. According to white light only and NBI, 7 of 58 (12.1%) and 8 of 53 (15.1%), respectively, had biopsy-proven Barrett's esophagus. Three patients had dysplasia on biopsy (2.7%), and all o...Continue Reading

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Nov 28, 2012·Otolaryngologic Clinics of North America·Carrie M Bush, Gregory N Postma
Apr 25, 2014·Diseases of the Esophagus : Official Journal of the International Society for Diseases of the Esophagus·J SongW Dong
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