Case 1 -
A case of
Giardiasis. The duodenal mucosa is normal. Arrows pointing to Giardia
Pathology of Giardiasis
Case 2 -
Arrows pointing to Strongyloid Stercoralis larvae in the duodenal biopsy.
Pathology of Strongyloidiasis
Case 3 -
A case of schistosomiasis. Arrow pointing to schistosome in the lamina
propria of the duodenal biopsy.
Pathology of Schistosomiasis
Case 4 -
This is a duodenal adenomyoma. Histologically the polyp consists of
epithelial ducts of varying size surrounded by smooth muscle. The duct
epithelium is composed of uniform tall columnar to cuboidal cells.
There is no cytological atypia or abnormal mitotic activity. The absense of
cytological atypia and desmoplastic stroma together with presence of smooth
muscle strands around the ducts helps in ruling out well-differentiated