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Gastrointestinal Amyloidosis

List of authors.
  • Shinji Izuka, M.D.,
  • and Hiroyuki Yamashita, M.D., Ph.D.

A 60-year-old woman with rheumatoid arthritis presented with diarrhea and anorexia. Biopsy of colonic erosions showed amyloid deposits with apple-green birefringence on Congo red staining, and a diagnosis of gastrointestinal amyloidosis was made.


Shinji Izuka, M.D.
Hiroyuki Yamashita, M.D., Ph.D.
National Center for Global Health and Medicine, Tokyo, Japan