Studies on pancreatic secretory trypsin inhibitor in normal and diseased gastrointestinal tract
The presence of immunoreactive pancreatic secretory trypsin inhibitor (irPSTI) was studied using an immunohistochemical method in normal and diseased gall bladder and normal and neoplastic colonic mucosa. Normal and inflammatory gall bladder mucosa did not stain for irPSTI. Neoplastic gall bldder mucosa showed positive staining for irPSTI, with a more pronounced staining in well rather than in poo
