Susceptibility patterns and virulence genotypes of Helicobacter pylori affecting eradication therapy outcomes among Egyptian patients with gastroduodenal diseases

Figure 1 Helicobacter pylori associated chronic gastritis with lymphoid aggregates and curved rods of Helicobacter pylori carpeting the mucosal surface. A: Hematoxylin and eosin staining, × 200; B: Hematoxylin and eosin staining, × 400.

Figure 2 Polymerase chain reaction amplification of cagA and vacA genotypes using 100 bp ladder. A: Lanes 1, 2, 6 cagA-negative and lanes 3, 4, 5, 7, and 8 cagA-positive; B: Lanes 1 and 3 vacA genotype s2m2 and lanes 4 and 5 vacA genotype s1m1.