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Endoscopy. 2011 Aug;43(8):727-30. doi: 10.1055/s-0030-1256338. Epub 2011 May 27.

Defining the endoscopic appearances of tylosis using conventional and narrow-band imaging: a case series.

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  • 1Department of Gastroenterology, Royal Liverpool University Hospital, Liverpool, United Kingdom.


Tylosis is an autosomal dominant skin disorder strongly associated with esophageal squamous cell cancer. We present a single-operator experience of utilizing conventional endoscopy and narrow-band imaging with magnification to characterize esophageal appearances in tylosis. Nineteen consecutive patients with tylosis attending for surveillance endoscopy were studied. White-light imaging (WLI) and narrow-band imaging (NBI) were undertaken, with magnification being performed as necessary. On WLI, we classified 12 patients as having mild change, 5 moderate change, and 2 severe change. WLI can define changes to the esophageal mucosa of variable hyperkeratosis and identify more significant focal abnormalities. NBI enhances these mucosal changes, and NBI with magnification can demonstrate intrapapillary capillary loop changes compatible with dysplasia, prompting consideration of surgery. This report is the first to characterize the endoscopic appearances in tylosis.

© Georg Thieme Verlag KG Stuttgart · New York.

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