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Jean Pierre C. Bouvet, MD, Phd
Paris

Arch Intern Med. 1982;142(6):1240-1241.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

To the Editor.

—In a previous issue of the ARCHIVES (1981;141:1152-1153), Sahasrabudhe and Parker described three patients with multiple myeloma in whom M spikes decreased while the tumor burden was increasing.

A similar occurrence was observed in a patient with double paraproteinemia who was not receiving treatment.

Report of a Case.

—A 79-year-old woman was hospitalized in October 1978 for cardiac arrhythmia. Electrophoretic analysis of serum samples, which was prescribed because of an increased ESR (50 mm/hr), disclosed two M spikes in the -globulin area (Fig 1, left). The two paraproteins were found to be IgG-, with H and L chains of homogenous molecular weights of 55,000 and 25,000 daltons, respectively, as disclosed by sodium dodecyl sulfate polyacrylamide gel electrophoresis on reduced purified paraprotein preparation (Fig 1, right). Levels of serum IgA and IgM were low (Fig 2), and no Bence Jones protein was found in serum or urine sam . . . [Full Text PDF of this Article]

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