RT Book, Section A1 Lichtman, Marshall A. A1 Kaushansky, Kenneth A1 Prchal, Josef T. A1 Levi, Marcel M. A1 Burns, Linda J. A1 Armitage, James O. SR Print(0) ID 1133365486 T1 Amyloidosis T2 Williams Manual of Hematology, 9e YR 2017 FD 2017 PB McGraw-Hill Education PP New York, NY SN 9781259642470 LK hemonc.mhmedical.com/content.aspx?aid=1133365486 RD 2024/11/14 AB Amyloidosis is a heterogeneous group of diseases characterized by tissue infiltration with misfolded protein precursors.The term amyloid is used to describe a substance with a homogeneous eosinophilic appearance by light microscopy, a green birefringence on polarizing light microscopy, and a characteristic β-pleated sheet appearance by x-ray diffraction.Terms such as primary, secondary, senile, dialysis-associated, and myeloma-associated have been abandoned in favor of the etiologically based, chemical terminology (Table 71–1) (eg, immunoglobulin light chain amyloidosis is termed AL amyloidosis).