<p>Duodenum amyloid deposition - Congo Red
</p>
Duodenum with amyloid deposition in lamina propria. Amyloid etiology unknown. Amyloid shows up as homogenous bright pink material in lamina propria and around blood vessels after staining with congo red 10X.
<p>Michael Feldman, MD, PhD
</p>
University of Pennsylvania School of Medicine
CC BY 2.0
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