Occurrence of IgG4 in Esophageal Lichen Planus Alexander J. Podboy, Jeffrey A. Alexander, Thomas C. Smyrk, Magnus Halland, Karthik Ravi, Debra M. Geno, Joseph A. Murray, David A. Katzka Clinical Gastroenterology and Hepatology Volume 15, Issue 12, Pages 1975-1977 (December 2017) DOI: 10.1016/j.cgh.2017.06.008 Copyright © 2017 AGA Institute Terms and Conditions
Figure 1 (A and B) Radiographic, (C and D) histologic, and (E and F) IgG4-positive cell staining in lichen esophageal planus. (A, C, and E) Mild disease and (B, D, and F) severe disease are shown. (C–F) Original magnification: 20×. (F) Note positive staining denoted by brown staining. Clinical Gastroenterology and Hepatology 2017 15, 1975-1977DOI: (10.1016/j.cgh.2017.06.008) Copyright © 2017 AGA Institute Terms and Conditions