Table 1 General rules for the translation of the ISCN karyotypes into a simplified computer readable cytogenetic notation (SCCN) and respective examples.

No

Term ^a

Karyotype

SCCN string

Quantitative changes

1

Δ(A),Δ(B),

48,XY,+8,+9

+(8),+(9),

2

(A)Δ(xayb),

46,XX,del(1)(q32)

(1)-(q32q44),

3

(A)Δ(xayb),

46,XY,dup(12)(p11p13)

(12)+(p13p111),

4

(A)Δ(xayb),

46,XX,dup(2)(q11~21q35)

(2)+(q111q35),

5

(A)Δ(xa)x2,

46,XY,add(15)(q26)x2

(15)-(q26)x2,

6

(A)Δ(xa),(B)Δ(xayb),

47,XX,t(9;22)(q34;q11),+der(22)t(9;22)

(9)+(q34),(22)+(p13q112),

7

(A)Δ(xa),Δ(B), (B)Δ(xayb),

47,XY,+22,der(22)t(9;22)(q34;q11)

(9)+(q34),+(22),(22)-(q112q13),

8

(B)Δ(yaxb),

47,XX,der(22)t(9;22)(q34;q11), +der(22)t(9;22)(q34;q11)

(9)+(q34)x2,(22)-(q112q13),(22)+(p13q112),

9

(A)Δ(xayb),(A)Δ(ybxa),

46,XY,idic(16)(q22)

(16)-(q22q24),(16)+(p133q22),

Qualitative changes

10

∇ (A)(xa),

46,XX,del(1)(q32)

del(1)(q32),

11

∇ (A)(xayb),

46,XX,add(1)(q42~43)

add(1)(q42q43),

Questionable changes

12

+?(A),

47,XX,+?8

+?(8),

13

(A)Δ(x?ayb),

46,XX,dup(2)(q2?1q35),

(2)+(q2?1q35),