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Stomach biopsy for Helicobacter pylori

228 bytes added, 15:37, 1 September 2020
[[File:Helicobacter pylori, Gastric Mucosa, H&E (390307642).jpg|thumb|Dozens of the curved bacteria fill the lumen of a gastric foveola on H&E stain.]]
Look for:
*Look for ''Helicobacter pylori''-like '''bacteria ''' in the lumen, as curved, spirochete-like bacteria, generally in the superficial mucus layer and along microvilli of epithelial cells.<ref name=PathologyOutlines/>*Look for associated Associated '''inflammation''', typically a chronic inflammatory infiltrate with germinal centers (follicular gastritis), and plasma cells in lamina propria.<ref name=PathologyOutlines>{{cite web|url=https://www.pathologyoutlines.com/topic/stomachhelicobacter.html|title=Stomach - Infections - Helicobacter pylori|author=Elliot Weisenberg|website=Pathology Outlines}} Topic Completed: 1 August 2012. Minor changes: 1 September 2020</ref>There should be at least 3 plasma cells facing each other to make a diagnosis of chronic gastritis.
===Example report===
Chronic gastritis without ''H. pylori''-like organisms should be described as non-specific:
{|class=wikitable
| Mild chronic gastritis, which is non-specific.<br>Negative/Positive for ''H. pylori''-like organisms on H&E stain.
|}
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