We describe a case of multiple myeloma with unusual manifestations consisting of cutaneous xanthomatosis, temporal arteritis, retinal vasculitis with a complex karyotype, and a 'jumping translocation' involving 1q21. The literature of cytogenetic studies of multiple myeloma and of jumping translocation is reviewed.
Keung, Y. K., Yung, C., Wong, J. W., Shah, F., Cobos, E., & Tonk, V. (1998). Unusual presentation of multiple myeloma with “jumping translocation” involving 1q21: A case report and review of the literature. Cancer Genetics and Cytogenetics, 106(2), 135–139. https://doi.org/10.1016/S0165-4608(97)00316-6