Title

Multiple bony amyloidomas as an initial presentation of myeloma

Document Type

Journal Article

Publication Date

10-1-2009

Journal

Clinical Lymphoma and Myeloma

Volume

9

Issue

5

DOI

10.3816/CLM.2009.n.078

Keywords

Macrofocal myeloma; Multiple myeloma; Plasma cell disorders; Plasmacytoma

Abstract

Amyloidosis complicating multiple myeloma is an uncommon but well-recognized phenomenon. Multiple bone amyloidomas are rare as the initial presenting feature of myeloma. Solitary bone amyloidomas share common features with those of patients who have solitary plasmacytomas and progression to disseminated myeloma is common. We report a case of an elderly man who presented with extensive amyloid deposition in multiple plasmacytoma sites as well as evidence of amyloid in a fat pad aspirate but with none of the usual organ damage associated with systemic amyloidosis. This presentation is similar to a subset of patients said to have macrofocal myeloma. These patients are typically aged < 40 years, have no bone marrow involvement, and have a good prognosis. This report may represent the first description of macrofocal myeloma associated with amyloid deposition in an older individual.

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