Wendy Hall, Martin Buckley, Paul Crotty, Colm A O’Morain

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Gastric mucosal mast cells are increased in Helicobacter pylori-negative functional dyspepsia Wendy Hall, Martin Buckley, Paul Crotty, Colm A O’Morain Clinical Gastroenterology and Hepatology Volume 1, Issue 5, Pages 363-369 (September 2003) DOI: 10.1053/S1542-3565(03)00184-8

Figure 1 Immunohistochemistry of mast cell tryptase demonstrating (A ) 400× original magnification, absence of staining in antibody-free negative control; (B) 400× original magnification, mast cells in normal control antrum; (C ) 1000× original magnification, mast cells close to the epithelium in functional dyspepsia antrum; and (D) 200× original magnification, mast cells surrounding but not penetrating a lymphoid patch in inflammatory control. Clinical Gastroenterology and Hepatology 2003 1, 363-369DOI: (10.1053/S1542-3565(03)00184-8)

Figure 2 Mast cell numbers detected per mm2 tissue in (A ) antrum and (B) corpus from asymptomatic controls (1), H. pylori-positive functional dyspepsia (2), H. pylori-negative functional dyspepsia (3), and inflammatory controls (4). Clinical Gastroenterology and Hepatology 2003 1, 363-369DOI: (10.1053/S1542-3565(03)00184-8)