1. Accuracy, Safety, and Tolerability of Tissue Collection by Cytosponge vs Endoscopy for Evaluation of Eosinophilic Esophagitis 
David A. Katzka, Debra M. Geno, Anupama Ravi, Thomas C. Smyrk, Pierre Lao-Sirieix, Ahmed Miramedi, Irene Debiram, Maria O’Donovan, Hirohito Kita, Gail M. Kephart, Lori A. Kryzer, Michael Camilleri, Jeffrey A. Alexander, Rebecca C. Fitzgerald 
Clinical Gastroenterology and Hepatology 
Volume 13, Issue 1, Pages e2 (January 2015)
DOI: /j.cgh
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2. Figure 1
Histology and EDN staining of biopsy and Cytosponge specimens from patient with positive findings. (A) Biopsy with mild esophageal eosinophilia (original magnification, ×20). (B) Cytosponge (original magnification, ×40) with esophageal eosinophilia. Note mild spongiosis present. (C) EDN staining biopsy showing both intracellular and extracellular staining, grade II (original magnification, ×20). (D) EDN staining Cytosponge demonstrating grade II staining extracellular and grade I intracellular (original magnification, ×40).
Clinical Gastroenterology and Hepatology  , e2DOI: ( /j.cgh )
Copyright © 2015 AGA Institute Terms and Conditions

3. Figure 2
Histology and EDN staining of biopsy and Cytosponge specimens from patient with minimal or mild findings. (A) Biopsy (original magnification, ×40) with no eosinophils. (B) Cytosponge (original magnification, ×20) with scattered eosinophils also showing spongiosis and basal zone hyperplasia. (C) EDN staining biopsy (original magnification, ×40) with grade I intracellular and extracellular. (D) EDN staining Cytosponge (original magnification, ×20). Note grade II intranuclear staining present consistent with mild eosinophilia seen on histology.
Clinical Gastroenterology and Hepatology  , e2DOI: ( /j.cgh )
Copyright © 2015 AGA Institute Terms and Conditions

4. Supplementary Figure 1
Scoring system for endoscopy and Cytosponge tolerance.
Clinical Gastroenterology and Hepatology  , e2DOI: ( /j.cgh )
Copyright © 2015 AGA Institute Terms and Conditions