Table 2 Chromosome 22 status by iFISH vs SNP-arrays performed in 15/20 sporadic meningiomas
Tumor | iFISH Karyotype | Chromosome 22 status by SNP arrays* (n = 6206) | |||
|---|---|---|---|---|---|
ID | Chromosome 22 status | Copy number values | N. of SNPs with LOH/N. of informative SNPs (%) | ||
M20 | −22q | −22 | 1.35 (1.01-1.93) | 108 | / 1326 (8%) |
M18 | −22q | −22 | 1.19 (0.76-1.59) | 365 | / 1131 (32%) |
M15 | Complex & -22q | −22 | 1.30 (0,85-2,03) | 454 | / 1158 (39%) |
M14 | −22q | −22 | 1.34 (0.95-1.77) | 80 | / 1472 (5%) |
M13 | −22q | −22 | 1.24 (0.92-1.8) | 920 | / 1188 (77%) |
M11 | Complex & -22q | −22 | 1.20 (0.91-1.91) | 694 | / 1043 (67%) |
M16 | −22q | −22 | 1.27 (0.81-1.75) | 209 | / 1340 (16%) |
M7 | −22q,-Y | −22 | 1.52 (1.08-2.14) | 18 | / 1505 (1%) |
M12 | Complex & del(22q) | del(22q11.22-qter) | 1.50 (0.98-2) | 19 | / 1683 (2%) |
M6 | Complex & del(22q) | del(22q11.22-qter) | 1.34 (0.8-2.55) | 763 | / 1195 (64%) |
M19 | Complex | Diploid | 1.58 (1.12-2.06) | 7 | / 1630 (0.4%) |
M10 | Complex | Diploid | 1.71 (1.09-2.31) | 9 | / 1770 (0.5%) |
M9 | Diploid | Diploid | 1.75 (1.27-2.32) | 3 | / 1712 (0.2%) |
M8 | Diploid | Diploid | 1.92 (1.6-2.39) | 5 | / 1681 (0.3%) |
M5 | Diploid | Diploid | 1.79 (1.28-2.3) | 3 | / 1696 (0.2%) |