ChromosOmics - Database





                                                  - CHROMOSOME  6 -                                                

Cases without
clinical findings
Cases with
clinical findings


most common clinical findings acc to Orphanet (variable clinical features)

- DD = developmental delay (including intellectual disability)
- growth retardation
- microcephaly
- DYS = dysmorphic facial features
- also possible:
hypotonia, micrognathia, central nervous system anomalies, cardiac defects, seizures

Cases without or very mild clinical findings (O)

case no.
gender/
age at diagnosis

studied
material

de novo/
inherited

karyotype test
methods

clinical symptoms
Reference
RC/O-
06-
p2?5q2?7/
1-1

female/
6y
PBL
?dn
46,XX,r(6)(p2?5q2?7)
dynamic mosaicism:46,XX,r(6)[73]/45,XX,-6[13]/46,XX,dr(6)[13]/47,XX,r(6)x2[3]
GTG
growth retardation, otherwise normal {593}

Cases with clinical findings (W)

case no.
gender/
age at diagnosis

studied
material

de novo/
inherited

karyotype
test
methods

genera clinical symptoms
Reference
RC/W-
06-
p2?5q2?7/
1-1

female/
1y

PBL, fibros
dn
46,XX,r(6)(p2?5q2?7)
solid staining DD, microcephaly, micrognathia, growth retardation, DYS
{108; 625, case 6-1}
RC/W-
06-
p2?5q2?7/
1-2

male/
1y

PBL
?dn
46,XY,r(6)(p2?5q2?7)
dynamic mosaicism: 46,XY,r(6)[150]/45,XY,-6[15]/r-var[9]
GTG DD, microcephaly, micrognathia, growth retardation, DYS
{109}
RC/W-
06-
p2?5q2?7/
1-3

male/
newborn

PBL
dn
46,XY,r(6)(p2?5q2?7)
GTG DD, microcephaly, micrognathia, growth retardation, DYS
{110}
RC/W-
06-
p2?5q2?7/
1-4

female/
5y

PBL
?dn
46,XX,r(6)(p2?5q2?7)
GTG DD, microcephaly, micrognathia, growth retardation, DYS
{111}
RC/W-
06-
p2?5q2?7/
1-5

male/
4.5y

PBL
?dn
46,XY,r(6)(p2?5q2?7)
dynamic mosaicism: 46,XY,r(6)(p25q26)[48]/46,XY[5]
GTG DD, microcephaly, micrognathia, growth retardation, DYS
{112}
RC/W-
06-
p2?5q2?7/
1-6

male/
7y

PBL
dn
46,XY,r(6)(p2?5q2?7)
GTG DD, microcephaly, micrognathia, growth retardation, DYS
{113}
RC/W-
06-
p2?5q2?7/
1-7

male/
1.5y

PBL
?dn
46,XY,r(6)(p2?5q2?7)
GTG DD, microcephaly, micrognathia, growth retardation, DYS
{114}
RC/W-
06-
p2?5q2?7/
1-8

female/
3y

PBL
?dn
46,XX,r(6)(p2?5q2?7)
46,XX,r(6)[87]/45,XX,-6[13]
and
dynamic mosaicism
GTG DD, microcephaly, micrognathia, growth retardation, DYS
{115}
RC/W-
06-
p2?5q2?7/
1-9

female/
newborn

PBL
dn
46,XX,r(6)(p2?5q2?7)
dynamic mosaicism
GTG DD, microcephaly, micrognathia, growth retardation, DYS
{116, case 1}
RC/W-
06-
p2?5q2?7/
1-10

female/
6y

PBL
dn
46,XX,r(6)(p2?5q2?7)
dynamic mosaicism
GTG DD, microcephaly, micrognathia, growth retardation, DYS
{116, case 2}
RC/W-
06-
p2?5q2?7/
1-11

female/
2m

PBL
dn
46,XX,r(6)(p2?5q2?7)
dynamic mosaicism
GTG DD, microcephaly, micrognathia, growth retardation, DYS
{116, case 3}
RC/W-
06-
p2?5q2?7/
1-12

male/
n.a.

PBL
?dn
46,XY,r(6)(p2?5q2?7)
dynamic mosaicism
decline of RCs from 93 to 61% over 20 years
solid staining  DD, microcephaly, micrognathia, growth retardation, DYS
{117; 137}
RC/W-
06-
p2?5q2?7/
1-13

male/
2y

PBL
?dn
46,XY,r(6)(p2?5q2?7)
dynamic mosaicism
GTG DD, microcephaly, micrognathia, growth retardation, DYS
{118, case 1}
RC/W-
06-
p2?5q2?7/
1-14

female/
1.25y

PBL
dn
46,XX,r(6)(p2?5q2?7)
dynamic mosaicism: 46,XX,r(6)[51]/45,XX,-6[49]
GTG DD, microcephaly, micrognathia, growth retardation, DYS
{121}
RC/W-
06-
p2?5q2?7/
1-15

female/
3y

PBL
?dn
46,XX,r(6)(p2?5q2?7)
dynamic mosaicism:
46,XX,r(6)/45,XX,-6
GTG DD, microcephaly, micrognathia, growth retardation, DYS
{122}
RC/W-
06-
p2?5q2?7/
1-16

female/
2y

PBL
?dn
46,XX,r(6)(p2?5q2?7)
dynamic mosaicism
GTG DD, microcephaly, micrognathia, growth retardation, DYS
{123}
RC/W-
06-
p2?5q2?7/
1-17

male/
child

PBL
?dn
46,XY,r(6)(p2?5q2?7)
dynamic mosaicism: 47,XY,+r(6)[3]/46,XY,r(6)[40]/ 45,XY,-6[7]

GTG DD, microcephaly, micrognathia, growth retardation, DYS
{136}
RC/W-
06-
p25q26/
1-1

male/
1y

PBL
dn
46,XY,r(6)(p25q26)
dynamic mosaicism
GTG DD, microcephaly, micrognathia, growth retardation, DYS
{116, case 4}
RC/W-
06-
p25q27/
1-1

female/
prenatal

AF
?dn
46,XX,r(6)(p25q27)
dynamic mosaicism: 46,XX,r(6)(p25q27)[0.38]/45,XX,-6[0.62]
GTG DD, microcephaly, micrognathia, growth retardation, DYS
{124}
RC/W-
06-
p25q27/
1-2

male/
prenatal

AF
?dn
46,XY,r(6)(p25q27)
dynamic mosaicism: 45,XY,-6/45,XY,-6,+f/46,XY,r(p25q27)
GTG DD, microcephaly, micrognathia, growth retardation, DYS
{125}
RC/W-
06-
p25q27/
1-3

male/
3y

PBL
dn
46,XX,r(6)(p25q27)
dynamic mosaicism: 46,XY,r(6)(p25q27)[17]/45,XY,-6[4]/r-var[6]
GTG DD, microcephaly, micrognathia, growth retardation, DYS
{127}
RC/W-
06-
p25q27/
1-4

male/
prenatal

AF, PBL
?dn
46,XY,r(6)(p25q27)
dynamic mosaicism: 46,XY,r(6)(p25q27)[44]/45,XY,-6[6]
in amnion almost only cells with 45,XY,-6 
GTG DD, microcephaly, micrognathia, growth retardation, DYS; TOP
{128, case 1}
RC/W-
06-
p25q27/
1-5

male/
prenatal

AF
?dn
46,XY,r(6)(p25q27)
dynamic mosaicism: 46,XY,r(6)(p25q27)[92]/45,XY,-6[8] 
GTG DD, microcephaly, micrognathia, growth retardation, DYS; TOP
{128, case 2}
RC/W-
06-
p25q27/
1-6

n.a./
prenatal

AF
?dn
46,X?,r(6)(p25q27)
dynamic mosaicism: 46,X?,r(6)(p25q27)[1]/45,X?,-6[19]
GTG DD, microcephaly, micrognathia, growth retardation, DYS; TOP
{128, case 3}
RC/W-
06-
p25q27/
1-7

male/
prenatal

AF
dn
46,XY,r(6)(p25q27)
dynamic mosaicism: 46,XY,r(6)(p25q27)[21]/45,XY,-6[47]
in amnion almost only cells with 45,XY,-6 
GTG DD, microcephaly, micrognathia, growth retardation, DYS; TOP
{130}
RC/W-
06-
p25q27/
1-8

male/
3m

PBL
dn
46,XY,r(6)(p25q27)
GTG
wcp-FISH
DD, microcephaly, micrognathia, growth retardation, DYS
{133}
RC/W-
06-
p25q27/
1-9

male/
newborn

PBL
?dn
46,XY,r(6)(p25q27)
dynamic mosaicism
GTG DD, microcephaly, micrognathia, growth retardation, DYS
{134}
RC/W-
06-
p25q27/
1-10

female/
prenatal

AF
PBL, fibro
dn
46,XX,r(6)(p25q27)
dynamic mosaicism:
AF: 45,XX,-6[10]/46,XX,r(6)[5] PBL:
45,XX,-6[3]/46,XX,r(6)[197]
fibro: 45,XX,-6[9]/46,XX,r(6)[11]
GTG DD, microcephaly, micrognathia, growth retardation, DYS
{135}
RC/W-
06-
p25q27/
1-11

male/
newborn
PBL
dn
46,XY,r(6)(p25q27)
GTG DYS, heart disease, hydrocephalus {624, case 3}
RC/W-
06-
p25.3q26/
1-1

male/
prenatal

PBL
dn
46,XY,r(6)(p25.3q26)
dynamic mosaicism: 46,XY,r(6)[92]/45,XY,-6[5]/ 46,XY[3]
Subtelomer 6pter present, 6qter absent
GTG, FISH, midi DD, microcephaly, micrognathia, growth retardation, DYS
{126}
RC/W-
06-
p25.3q26/
1-2

female/
5m

PBL
?dn
46,XX,r(6)(p25.3q26)
Subtelomer 6pter and 6qter absent
acc. to aCGH in 6p: 1.3Mb and in 6q 6.7Mb loss
GTG
FISH
aCGH
DD, microcephaly, micrognathia, growth retardation, DYS
{1, case RC6-1;
99}

RC/W-
06-
p25.3q27/
1-1

male/
2y

PBL
dn
46,XX,r(6)(p25.3q27)
dynamic mosaicism: 46,XY,r(6)[82]/46,XY[6]/r-var[12]
Subtelomer 6pter and 6qter absent
acc. to aCGH in 6p 0.27Mb and in 6q 2.03 Mb loss
GTG
FISH
aCGH
DD, microcephaly, micrognathia, growth retardation, DYS

{1, case RC6-6;
104}
RC/W-
06-
p25.3q27/
1-2

female/
15y

PBL
dn
46,XX,r(6)(p25.3q27)
dynamic mosaicism: 46,XX,r(6)(p25.3q27)[16]/45,XX,-6[2]/r-var[1]
Subtelomer 6pter and 6qter absent
acc. to FISH in 6p: <0.24Mb  and in 6q <0.19Mb loss
GTG
FISH
DD, microcephaly, micrognathia, growth retardation, DYS
{131}
RC/W-
06-
p25.3q27/
2-1

female/
3y

PBL
?dn
46,XX,r(6)(p25.3q27)
dynamic mosaicism: 46,XX,r(6)(p25q27)[67]/45,XX,-6[25]/r-var[8]
acc. to aCGH in 6p: 1.5Mb loss
GTG
aCGH
DD, microcephaly, micrognathia, growth retardation, DYS
{1, case RC6-2;
100}

RC/W-
06-
p25.3q27/
2-2

male/
newborn

PBL
?dn
46,XY,r(6)(p25.3q27)
dynamic mosaicism:
Subtelomer 6pter absent and  6qter present
acc. to aCGH 1.88Mb loss in 6p
GTG
FISH
aCGH
DD, microcephaly, micrognathia, growth retardation, DYS
{1, case RC6-7;
105}

RC/W-
06-
p25.3q27/
3-1

female/
6y

PBL, fibro
dn
46,XX,r(6)(p25.3q27)
dynamic mosaicism: 46,XX,r(6)(p25.3q27)[81]/45,XX,-6[7]
acc. to aCGH in 6p: 1.78Mb loss; acc. to NGS also 0.26 Mb loss at 6q22.31 and 0.56Mb at 6qter
GTG
aCGH
DD, microcephaly, micrognathia, growth retardation, DYS
{1, case RC6-3;
101}

RC/W-
06-
p25.3q27/
4-1

male/
49y

PBL
dn
46,XY,r(6)(p25.3q27)
acc. to aCGH 1.8 Mb in 6p and 2.5Mb dup in 6q
GTG
FISH
aCGH
mild DD, microcephaly, micrognathia, growth retardation, DYS
{1, case RC6-4;
102}

RC/W-
06-
p25.3q27/
5-1

male/
11y

PBL
dn
46,XY,r(6)(p25.3q27)
dynamic mosaicism: 46,XY,r(6)(p25.3q27)[54]/45,XY,-6[13]/46,XY[6]/r-var[15]
Subtelomer 6pter and 6qter absent
acc. to aCGH in 6p 0.5Mb dup and 1.26 Mb deletion; 0.45 Mb loss in 6q
GTG
FISH
aCGH
DD, microcephaly, micrognathia, growth retardation, DYS
{1, case RC6-5;
103}

RC/W-
06-
p25.3q27/
6-1a and 6-1b

male/
newborn

PBL
mat
46,XY,r(6)(p25.3q27)
dynamic mosaicism in mother: 46,XX,r(6)(p25q27)[44]/47,XX,r(6)(p25q27)
x2[2]/46,XX[15]

acc. to aCGH in 6pter: 1.14Mb loss and dup from 1.15-4.17
GTG
aCGH
DD, microcephaly, micrognathia, growth retardation, DYS
{1, case RC6-9;
107}

RC/W-
06-
p25.2q27/
1-1

female/
~0y

PBL
dn
46,XX,r(6)(p25.2q27)
acc. to aCGH 3.7Mb loss at 6pter
GTG
aCGH
DD, microcephaly, micrognathia, growth retardation, DYS
{1, case RC6-8;
106}

RC/W-
06-
p25.1q27/
1-1

male/
2m

PBL
dn
46,XY,r(6)(p25.1q27)
dynamic mosaicism:
46,XY,r(6)(p25q27)[84]/r-var[16]
Subtelomer 6pter and FOXC1 absent;  subtelomer 6qter present
GTG
FISH
DD, microcephaly, micrognathia, growth retardation, DYS
{129}
RC/W-
06-
p25.1q27/
2-1

male/
newborn

PBL
dn
46,XY,r(6)(p25.1q27)
acc. to aCGH 4.27Mb loss at 6pter and 0.5Mb in 6qter
GTG
aCGH
hydrocepalus, cryptorchism, cong. heart disease
{905}
RC/W-
06-
p24q26/
1-1

male/
newborn

PBL
?dn
46,XY,r(6)(p24q26)
dynamic mosaicism
GTG DD, microcephaly, micrognathia, growth retardation, DYS
{119}
RC/W-
06-
p24q26/
1-2

male/
1m

PBL
dn
46,XY,r(6)(p24q26)
dynamic mosaicism: 46,XY,r(6)(p24q26)[38]/45,XY,-6[9]/r-var[3]
GTG DD, microcephaly, micrognathia, growth retardation, DYS
{120}
RC/W-
06-
p24q26/
2-1

male/
5y

PBL
dn
46,XY,r(6)(p24q26),del(6)(q27)
dynamic mosaicism: 46,XY,r(6)(p24q26),del(6)(q27)[30]/46,XY,del(6)(q27)[20]
GTG
FISH
DD, microcephaly, micrognathia, growth retardation, DYS
{132}