An unusual case of AA amyloidosis is presented. Pharmacotherapy of rheumatoid arthritis induced its 5-year clinical remission, yet despite this, the patient developed AA amyloidosis.
Amyloidosis involved the stomach, duodenum and kidneys. AA amyloidosis did not impair the renal functions significantly.
This case emphasized the importance of non-targeted bio-psies of macroscopically normal mucosa of the stomach and duodenum that made it possible to dia-gnose amyloidosis. The patient remained without any gastrointestinal symptoms even during the subsequent follow-up.