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

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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
[email protected]

June 3, 2021
N Engl J Med 2021; 384:2144
DOI: 10.1056/NEJMicm2034179