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Table 3 Aberration-patterns for chromosomal regions 10cen, 17q, 1p and 22q. 1: deletion detectable, 0: no deletion detectable; (P) = primary tumor, (R) = recurrence

From: Deletions in the 17q chromosomal region and their influence on the clonal cytogenetic evolution of recurrent meningiomas

Patient Tumor WHO -17q −22q -1p -10cen +17q
Patient 1 1.1 (R) 2 1 1 1 0 0
1.2 (R) 2 1 1 1 0 0
1.3 (R) 2 1 1 1 0 0
1.4 (R) 2 1 0 0 0 1
Patient 2 2.1 (P) 3 1 1 1 0 1
2.2 (R) 3 1 1 0 1 0
2.3 (R) 3 1 1 0 0 0
Patient 3 3.1 (R) 2 1 0 0 0 0
3.2 (R) 2 1 0 0 0 1
3.3 (R) 2 1 1 0 1 0
Patient 4 4.1 (R) 2 1 1 1 1 0
4.2 (R) 2 1 1 1 1 0
4.3 (R) 2 1 1 1 1 0
4.4 (R) 2 1 0 0 1 0
Patient 5 5.1 (P) 2 1 1 0 0 1
5.2 (R) 2 1 1 0 0 0
Patient 6 6.1 (P) 3 1 1 1 0 1
6.2 (R) 3 1 1 1 0 1
6.3 (R) 3 0 1 0 0 1
Patient 7 7.1 (R) 1 1 1 1 0 0
7.2 (R) 3 1 1 0 0 0
Frequency total   20/21 17/21 10/21 6/21 8/21
Frequency percentage   95.2% 80.9% 47.6% 28.6% 38.1%