Abstract
To detect of chromosomal abnormalities in multiple myeloma (MM) patients with fluorescence in situ hybridization (FISH). FISH was performed in 20 MM patients using 5 specific DNA probes. The difference in chromosomal abnormalities was compared by FISH and other routine cytogenetic tests. Eighteen of the 20 patients showed chromosomal abnormalities (90%). The positive rates of t(14q32), del(13q14), dup(1q21), and p53 gene were 65% (13 in 20), 55% (11 in 20), 25% (5 in 20), and 15%(3 in 20), respectively. The abnormal rate of the conventional chromosome examination was 15% only. FISH is more sensitive than traditional chromosomal tests and can be used as an index in prognostic evaluation for MM. Del(13q14) and t(14q32) are the most common chromosomal abnormalities in MM patients.
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