Here’s a case of duodenal #Giardiasis (causative organism Giardia lamblia) at 200x magnification. The #Giardia organisms are somewhat tear-drop shaped and resemble falling leaves, overlying the surface of the duodenum (the first segment of small bowel after the stomach). The duodenal mucosa is inflamed.

#pathology #pathart #bstpath #pathmastodon #GIpathology #InfectiousDisease