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Table 1 Statistics of rarely mutated chromosomal arms

From: Network-based analysis of oligodendrogliomas predicts novel cancer gene candidates within the region of the 1p/19q co-deletion

  Deletions Duplications
Chromosomal arm 4q 9q 13q 15q 18q 7p 7q 11q
TCGA: OD II + III 9.8% 4.5% 10.5% 9.0% 15.0% 6.0% 9.0% 4.5%
TCGA: OD III 13.8% 5.2% 10.3% 12.1% 20.7% 6.9% 10.3% 6.9%
POLA: OD III 16.2% 14.7% 5.9% 14.7% 8.8% 4.4% 7.3% 19.1%
  1. Chromosomal arms affected by deletions (4q, 9q, 13q, 15q and 18q) and duplications (7p, 7q and 11q) in subsets of oligodendrogliomas in addition to the characteristic 1p/19q co-deletion. Percentages of affected oligodendrogliomas are shown for the TCGA cohort (TCGA: OD II + III comprised 133 oligodendrogliomas of WHO grades II and III, TCGA: OD III comprised 58 oligodendrogliomas of WHO grade III) and the POLA cohort [33] (POLA: OD III comprised 68 oligodendrogliomas of WHO grade III)