| Human defensin 5 expression in intestinal metaplasia of the upper gastrointestinal tract | |||||||||||||
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| Background: Upper gastrointestinal tract intestinal metaplasia (IM) is termed Barrett’s oesophagus (BO) or gastric intestinal metaplasia (GIM), depending on its location. BO and GIM are associated with chemical exposure resulting from gastro–oesophageal reflux and chronic Helicobacter pylori infection, respectively. Paneth cells (PCs), characterised by cytoplasmic eosinophilic granules, are found in a subset of IM at these sites, but histology may not accurately detect them. | |||||||||||||
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