Thromb Haemost 1992; 68(06): 648-651
DOI: 10.1055/s-0038-1646337
Original Article
Schattauer GmbH Stuttgart

Recurrent, Isolated Factor X Deficiency in Myeloma: Repeated Normalization of Factor X Levels after Cytostatic Chemotherapy Followed by Late Treatment Failure Associated with the Development of Systemic Amyloidosis

Authors

  • I Schwarzinger

    The 1st Medical Department, Division of Hematology and Blood Coagulation, University of Vienna, Austria
  • M Stain-Kos

    The 1st Medical Department, Division of Hematology and Blood Coagulation, University of Vienna, Austria
  • R Bettelheim

    The 1st Medical Department, Division of Hematology and Blood Coagulation, University of Vienna, Austria
  • I Pabinger

    The 1st Medical Department, Division of Hematology and Blood Coagulation, University of Vienna, Austria
  • P Kyrle

    The 1st Medical Department, Division of Hematology and Blood Coagulation, University of Vienna, Austria
  • P Kalhs

    The 1st Medical Department, Division of Hematology and Blood Coagulation, University of Vienna, Austria
  • S Kapiotis

    The 1st Medical Department, Division of Hematology and Blood Coagulation, University of Vienna, Austria
  • U Jäger

    The 1st Medical Department, Division of Hematology and Blood Coagulation, University of Vienna, Austria
  • K Lechner

    The 1st Medical Department, Division of Hematology and Blood Coagulation, University of Vienna, Austria
Further Information

Publication History

Received 28 April 1992

Accepted after revision 10 July 1992

Publication Date:
04 July 2018 (online)

Preview

Summary

We describe the case of a 64-year-old woman with isolated severe factor X deficiency associated with kappa light chain myeloma. At the time of diagnosis there was no evidence for amyloidosis. Complete remission (CR) of myeloma as well as normalization of factor X levels were achieved after cytostatic chemotherapy. Subsequently, factor X deficiency recurred twice without any evidence for relapse of myeloma. The first time factor X normalized again following cytostatic treatment, the second time, however, factor X deficiency was refractory to chemotherapy. Finally, relapse of myeloma became evident associated with rapidly progressing, systemic amyloidosis, which was fatal within a few months. Initially, factor X infusion studies showed a normal recovery, but when amyloidosis became overt the recovery decreased to 0%. We assume that factor X deficiency was due to a binding of factor X to kappa light chains associated with the proliferation of the malignant myeloma cell clone.