Korean J Hematol.  1997 May;32(1):152-156.

A Case of Nonsecretory Multiple Myeloma

Affiliations
  • 1Department of Internal Medicine, Korea Veterans Hospital, Seoul, Korea.
  • 2Department of Clinical Pathology, Korea Veterans Hospital, Seoul, Korea.
  • 3Department of Clinical Pathology, University of Ulsan, College of Medicine, Asan Medical Center, Seoul, Korea.

Abstract

A case of IgA lambda nonsecretory multiple myeloma in a 66-year-old man was reported. Despite of the osteolytic lesions both protein electrophoresis and protein immunoelectrophoresis of serum and urine of the patient were normal. Bone marrow biopsy at iliac crest showed 8% plasma cells and aspiration cytology of the lesion of rib revealed 73% plasma cells. When examined by immunofluorescence with monospecific antisera the cytoplasm of the immature plasma cell showed predominantly the presence of IgA and lambda chains.

Keyword

Multiple myeloma; Nonsecretory

MeSH Terms

Aged
Biopsy
Bone Marrow
Cytoplasm
Electrophoresis
Fluorescent Antibody Technique
Humans
Immune Sera
Immunoelectrophoresis
Immunoglobulin A
Multiple Myeloma*
Plasma Cells
Ribs
Immune Sera
Immunoglobulin A
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