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Table 2 Examples for the assessment of the degree of karyotype alterations according to different categories of chromosome aberrations and calculation of a complex karyotype aberration score (CKAS).

From: Computer aided analysis of additional chromosome aberrations in Philadelphia chromosome positive acute lymphoblastic leukaemia using a simplified computer readable cytogenetic notation

   Number of aberrations
No. Karyotype(s) ploidy level numerical balanced unbalanced unclassified CKAS
1 46,XY,t(9;22)(q34;q11),t(14;20)(q11;q13.3) 0 0 2 0 0 2
2 46,XY,t(9;22)(q34;q11)/49,XY,+5,t(9;22)(q34;q11),+16,+21 0 3 1 0 0 4
3 46,XY,t(9;22)(q34;q11)/44,XY,t(9;22)(q34;q11),-8?,-11?,-11?,+mar 0 3 1 0 1 5
4 59,XXX,-1,-3,-7,-8,-9,t(9;22)(q34;q11),-11,-15,-16,-19,-20,-21, +der(22)t(9;22)(q34;q11) 1 12 1 0 0 14
5 48,XX,+5,+8,t(9;22)(q34;q11)/48,XX,+5,+8,del(9)(p13),t(9;22)(q34;q11)/ 49,XX,+5,+8,del(9)(p13),t(9;22)(q34;q11),+der(22)t(9;22)(q34;q11) 0 3 1 1 0 5
6 46,XX,t(9;22;11)(q34;q11;q13) 0 0 2 0 0 2