Helicobacter pylori is a gastric pathogen that colonizes approximately 50% of the world's
population. Infection with H. pylori causes chronic inflammation and significantly increases …

Abstract Background/Aims: The incidence of uncomplicated peptic ulcer has decreased in
recent years. It is unclear what the impact of this has been on the epidemiology of peptic …

A 29-year-old man presents with intermittent epigastric discomfort, without weight loss or
evidence of gastrointestinal bleeding. He reports no use of aspirin or nonsteroidal …

Several infectious agents are considered to be causes of cancer in humans. The fraction of
the different types of cancer, and of all cancers worldwide and in different regions, has been …

Although gastric adenocarcinoma is associated with the presence of Helicobacter pylori in
the stomach, only a small fraction of colonized individuals develop this common malignancy …

Helicobacter pylori (H. pylori) remains a prevalent, worldwide, chronic infection. Though the
prevalence of this infection appears to be decreasing in many parts of the world, H. pylori …

Gastric cancer is a heterogeneous and prevalent disease. The traditional environmental
exposures associated with an elevated risk of gastric cancer are less prevalent in the United …

The presence of spiral-shaped bacteria on human gastric mucosa was first recognized
nearly one hundred years ago (Pel, 1899). These bacteria were isolated for the first time in …

Persistent bacterial infections involving Mycobacterium tuberculosis, Salmonella enterica
serovar Typhi (S. typhi) and Helicobacter pylori pose significant public-health problems …

Upper gastrointestinal bleeding (UGIB) develops in the oesophagus, stomach or duodenum
and has an incidence of 47/100,000. Lower GIB (LGIB) develops in the small bowel, colon or …