Cite this page: Gulwani H. Amyloidosis. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/smallbowelamyloidosis.html. Accessed September 22nd, 2019.
Definition / general
- Rare in duodenum (Int J Clin Exp Pathol 2012;5:46)
- Typically diagnosed with rectal biopsy that includes submucosa
- Primary: GI involvement in 70% of cases, amyloid in blood vessel walls and muscularis propria
- Secondary: GI involvement in 50% of cases, often deposits in blood vessel walls in lamina propria