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PubMed1950

[Myelomatosis].

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Bone Marrow↗
PubMed1987

IgE myelomatosis. Presentation of a new case and summary of literature.

This paper describes a case of IgE (kappa) myeloma in a 39 year old female patient who has been observed for a period of eight years to the present. The findings and the course of disease in this patient were compared with 18 other case reports published since the discovery of IgE in 1966. In contrast to myelomas of other immunoglobulin classes, patients with IgE myelomas are somewhat younger and anaemia and hyperproteinaemia are more pronounced. A plasma cell leukaemia is more frequent and the ratio of light chains has shifted in favour of the kappa chains.

Adult↗
PubMed1978

Chromosome studies in myelomatosis.

Cytogenetic studies of patients with multiple myeloma and plasma cell leukemia have shown that chromosome abnormalities occur in the bone marrow and/or the PHA-stimulated blood of at least half the patients. The abnormalities include numerical and structural aberrations and are highly variable. Hypodiploid modes occur fairly frequently. Addition of material to the long arm of the No. 14 chromosome (14q+ marker) occurs in about 17% of the small series of patients that have been studied with banding so far.

Bone Marrow↗
PubMedDate not supplied

Factor VIII complex in myelomatosis and related disorders.

The behaviour of the factor VIII/von Willebrand factor complex (VIII:C, VIIIR:Ag and VIIIR:RCof) was investigated in 23 patients with secretory myeloma, in 2 patients with non-secretory myeloma and in 5 patients with macroglobulinemia. In most patients (21 of 25 patients with plasma cell myeloma and 2 of 5 patients with macroglobulinemia) VIIIR:Ag was increased usually without corresponding increases in VIII:C and VIIIR:RCof. There was no correlation between the VIIIR:Ag levels and paraprotein Ig type or level nor with the presence or the absence of Bence Jones proteins in serum and urine. Furthermore, increased levels of VIIIR:Ag were found in patients with non-secretory myeloma. In general, VIIIR:Ag was higher in patients with extensive bone lesions and there was a significant correlation between cell mass and the VIIIR:Ag level. The crossed-immunoelectrophoresis of plasmas with discrepant VIIIR:Ag and VIIIR:RCof showed variation from the normal pattern.

Antigens↗