light chain-related amyloidosis

light chain-·re·lat·ed am·y·loi·do·sis

the most common form of primary amyloidosis in which the fibrillar amyloid deposits are derived from the amino terminal variable region of the light chains of immunoglobulin; seen in B-lymphocyte and plasma-cell dyscrasias (especially multiple myeloma) and other forms of gammopathy.

light chain-re·lat·ed a·my·loi·do·sis

(līt chān'rĕ-lā'tĕd am'i-loy-dō'sis) A form of primary amyloidosis in which the fibrillar amyloid deposits are derived from the light chains of immunoglobulin; seen in β-lymphocyte and plasma-cells dyscrasias.