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. Author manuscript; available in PMC: 2015 Sep 1.
Published in final edited form as: Gastrointest Endosc. 2014 Sep;80(3):374–379. doi: 10.1016/j.gie.2014.07.001

Fig. 1.

Fig. 1

Specimens obtained from Cytosponge sampling from two patients, demonstrating the extensive amount of tissue that can be obtained with this technique. a,c Esophageal tissue samples stained with routine hematoxylin and eosin. b,d Markedly increased immunohistochemical staining for eotaxin-derived neurotoxin for the same specimens. Courtesy of David Katzka.