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Cancer Genet Cytogenet. 1998 Sep;105(2):172-6.

Cytogenetic analysis and fluorescence in situ hybridization in a case of IgD multiple myeloma.

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Department of Internal Medicine I, University of Vienna, Austria.


Immunoglobulin D multiple myeloma (IgD MM) is a subentity of MM occurring in fewer than 2% of patients with distinct clinical pattern, dismal prognosis, and very little information about genetic abnormalities. The karyotype and the results of fluorescent interphase in situ hybridization analysis of a 62-year-old female patient with IgD MM are presented and show a complex hypodiploid karyotype with loss of an X chromosome and monosomy 13--very well known adverse prognostic factors in MM--but, in addition, several deletions of chromosomes 1, 6, 11, and 12, as well as translocations involving chromosomes 4, 9, 10, 15, 16, and 21 that underline the singularity of IgD MM.

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