Walsh & Hoyt: Primary and Myeloma-Related Forms of Generalized (Systemic) Amyloidosis

Amyloidosis is a rare disorder that is characterized by the variable accumulation of an extracellular eosinophilic proteinaceous substanceamyloidin nearly all the tissues of the body. Amyloid (from the Greek amylon, starch, and eidos, resemblance) is a complex protein mixture dominated by a fibrillar component that can be identified by electron microscopy