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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Angelchik antireflux device: computed tomography appearance.

The Angelchik antireflux prosthesis is a silicon gel-filled, doughnut-shaped device with a tantalum tie strap that wraps around the gastroesophageal junction after reduction of a hiatal hernia. If dislodged, this prosthesis may produce a confusing picture on computed tomography, as it is of soft tissue density and may mimic a mass lesion. The computed tomography appearance of a normally placed prosthesis is demonstrated, and a case of prosthesis dislodgment diagnosed by computed tomography is reported.[1]


  1. Angelchik antireflux device: computed tomography appearance. Sussman, S.K., Illescas, F.F., Woodruff, W.W., Cooper, C. The Journal of computed tomography. (1987) [Pubmed]
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