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. 2010 Mar;12(2):197–203. doi: 10.2353/jmoldx.2010.090046

Table 6.

Published Studies on the Frequency of Cytogenetic Aberrations in CLL by FISH

Published study reference number
7 4 5 6 7 18 19
Number of pts 325 113 153 509 100 132 500
Normal karyotype 18 108 36
13q deletion 178 56 81 160 44 76 287
11q deletion 58 13 14 17 23 21 60
12q trisomy 53 21 26 71 11 17 68
17p deletion 23 7 16 17 12 7 35
6q deletion 21 9 23

The number of samples per column can be greater than the number of patients if multiple abnormalities are present.