Has any of the following cytogenetic findings: (1) no adverse FISH or cytogenetics, (2) hyperdiploidy, (3) t(11;14) by FISH, or (4) t(6;14) by FISH.
These patients most often have (1) disease that expresses IgG kappa monoclonal gammopathies and (2) lytic bone lesions.
t(4;14) by FISH
These patients often have IgA lambda monoclonal gammopathies and less bone disease.
Has any of the following cytogenetic findings: (1) del 17p by FISH, (2) t(14;16) by FISH, (3) cytogenetic del 13, (4) hypodiploidy, (5) 1q gain, or (6) plasma cell leukemia.
These patients have (1) disease that expresses IgA lambda monoclonal gammopathies (often) and (2) skeletal-related complications (less often).
Greipp PR, San Miguel J, Durie BG, et al.: International staging system for multiple myeloma. J Clin Oncol 23 (15): 3412-20, 2005.
Fonseca R, Blood E, Rue M, et al.: Clinical and biologic implications of recurrent genomic aberrations in myeloma. Blood 101 (11): 4569-75, 2003.
Avet-Loiseau H, Attal M, Moreau P, et al.: Genetic abnormalities and survival in multiple myeloma: the experience of the Intergroupe Francophone du Myélome. Blood 109 (8): 3489-95, 2007.
Gertz MA, Lacy MQ, Dispenzieri A, et al.: Clinical implications of t(11;14)(q13;q32), t(4;14)(p16.3;q32), and -17p13 in myeloma patients treated with high-dose therapy. Blood 106 (8): 2837-40, 2005.
Gutiérrez NC, Castellanos MV, Martín ML, et al.: Prognostic and biological implications of genetic abnormalities in multiple myeloma undergoing autologous stem cell transplantation: t(4;14) is the most relevant adverse prognostic factor, whereas RB deletion as a unique abnormality is not associated with adverse prognosis. Leukemia 21 (1): 143-50, 2007.
Sagaster V, Ludwig H, Kaufmann H, et al.: Bortezomib in relapsed multiple myeloma: response rates and duration of response are independent of a chromosome 13q-deletion. Leukemia 21 (1): 164-8, 2007.
Kumar SK, Mikhael JR, Buadi FK, et al.: Management of newly diagnosed symptomatic multiple myeloma: updated Mayo Stratification of Myeloma and Risk-Adapted Therapy (mSMART) consensus guidelines. Mayo Clin Proc 84 (12): 1095-110, 2009.
Avet-Loiseau H, Attal M, Campion L, et al.: Long-term analysis of the IFM 99 trials for myeloma: cytogenetic abnormalities [t(4;14), del(17p), 1q gains] play a major role in defining long-term survival. J Clin Oncol 30 (16): 1949-52, 2012.
Ramsingh G, Mehan P, Luo J, et al.: Primary plasma cell leukemia: a Surveillance, Epidemiology, and End Results database analysis between 1973 and 2004. Cancer 115 (24): 5734-9, 2009.
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May 28, 2015
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