Congratulations to the winners of the PathologyOutlines.com 2021 Best Author Award! This was a very competitive award and we greatly appreciate the contributions of those named below in addition to those of our other diligent authors in 2021, all of whom you can view here. You can view the winners from past years here.
Periodic acid-Schiff with diastase (PASD) highlights the basement membrane of bile ducts. It also stains alpha-1 antitrypsin globules in hepatocytes in the setting of alpha-1 antitrypsin deficiency. The lack of globules in this image is a normal finding.
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