A Congo red-stained kidney biopsy with amyloid deposition in glomeruli and blood

vessel walls. Apple-green birefringence of Congo red-stained amyloid deposits.

*        *        *

You are welcome on the home page of the International Society of Amyloidosis (ISA), a non-profit organisation of scientists and doctors engaged in research, teaching, or practice in connection with amyloid and amyloidosis. The aims of our Society are to promote research, education, clinical studies (including diagnosis and treatment), conferences and symposia on all aspects of amyloidosis worldwide.