A case of "nonsecretory" multiple myeloma with careful study of urine and serum immunoglobulins is presented. Marrow immunofluorescent studies failed to show production of identifiable immunoglobulins. Bone marrow examination may be the only method of diagnosis in such cases.

This content is only available as a PDF.
© 1972 by American Society of Hematology, Inc.
1972
Sign in via your Institution