Successful therapy of crystalcryoglobulinemia: A case report
- 1 January 1979
- journal article
- case report
- Published by Wiley in Medical and Pediatric Oncology
- Vol. 7 (2) , 181-190
- https://doi.org/10.1002/mpo.2950070213
Abstract
Successful therapy for a case of multiple myeloma with a spontaneously crystallizing cryoglobulin of the IgG2‐kappa light chain variety was achieved, using both continuous‐flow cell centrifugation plasmapheresis to rapidly lower the M component and combination chemotherapy with phenylalanine mustard, prednisone, procarbazine, and vincristine to control the myeloma process. This resulted in resolution of incapacitating large and small necrotic cutaneous ulcerations of the extremities. Physicochemical studies of the crystalcryoprotein demonstrated that cryoprecipitation was rapid and accompanied by the formation of needle‐shaped crystals, yet was completely reversible at 37°C. Cryocrit determinations varied depending upon relative centrifugal forces and temperature and did not always relate linearly to the amount of abnormal protein, thus making these alone unreliable in assessing response to therapy.Keywords
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