ChromosOmics - Database





                                                  - CHROMOSOME  3 -                                                

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 (incl. triangular face)
 
- also possible: dermatological features (= dispigmentation incl. café-au-lait spots), hypotonia

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-
03-
p26q29/
1-1

female/
11.25y

PBL
?dn
46,XY,r(3)(p26->q29::q29->q29)
acc. to aCGH in 3pter 2Mb lost and in 3qter ~1Mb duplicated
GTG
aCGH

growth retardation, normal intelligence
{140}
RC/O-
03-
p26.2q29/
1-1

female/
18y

PBL
dn
46,XX,r(3)(p26.2q29)
dynamic mosaicism
GTG
growth retardation, normal intelligence {1, case RC3-8;
34}


Cases with clinical findings (W)

case no.
gender/
age at diagnosis

studied
material

de novo/
inherited

karyotype
test
methods

general clinical symptoms
Reference
RC/W-
03-
p2?q2?/
1-1

female/
2y

PBL
dn
46,XX,r(3)(p2?q2?),der(X)t(X;3)(p?;?)
dynamic mosaicism
GTG DD, microcephaly, growth retardation, DYS
{1, case RC3-1;
27}

RC/W-
03-
p2?6q2?9/
1-1

male/
postnatal

PBL
dn
46,XY,r(3)(p2?6q2?9)
dynamic mosaicism
GTG
DD, microcephaly, growth retardation, DYS {1, case RC3-2;
28}

RC/W-
03-
p2?6q2?9/
1-2

male/
2y

PBL
dn
46,XY,r(3)(p2?6q2?9)
GTG
DD, microcephaly, growth retardation, DYS {1, case RC3-3;
29}

RC/W-
03-
p2?6q2?9/
1-3
male/
4m

PBL
dn
parents consanguin
46,XY,r(3)(p2?6q2?9)
dynamic mosaicism   
GTG
DD, microcephaly, growth retardation, DYS
also Cornelia de Lange syndrome
{1, case RC3-7;
33}

RC/W-
03-
p26q29/
1-1

male/
3.5y

PBL
?dn
46,XY,r(3)(p26q29)
dynamic mosaicism
GTG
DD, microcephaly, growth retardation, DYS {1, case RC3-4;
30}

RC/W-
03-
p26q29/
1-2

female/
10m

PBL
dn
46,XX,r(3)(p26q29)
dynamic mosaicism:
46,XX,r(3)(p26q29)[223]/46,XX[10]/r-var[55]
GTG
DD, microcephaly, growth retardation, DYS {1, case RC3-5;
31}

RC/W-
03-
p26q29/
1-3

male/
46y

PBL
?dn
46,XY,r(3)(p26q29)
dynamic mosaicism
GTG
DD, growth retardation, DYS {1, case RC3-9;
35}

RC/W-
03-
p26q29/
1-4

female/
prenatal

amnion
dn
46,XX,r(3)(p26q29)
dynamic mosaicism
GTG
DD, microcephaly, growth retardation, DYS {1, case RC3-11;
37}

RC/W-
03-
p26q29/
1-5
male/
4y
PBL
?dn
46,XY,r(3)(p26q29)
dynamic mosaicism:
46,XY,r(3)(p26q29)[81]/45,XY,-3[10]/92,XXYY,r(3)(p26q29)[7]/92,XXYY,r(3;3)(p26q29;p26q29)[6]/46,XY,r(3;3)(p26q29;p26q29)[4]/47,XY,r(3)(p26q29)x2[1]/46,XY[4]   
    
GTG
FISH
mild DD, microcephaly, growth retardation, DYS
{425}
RC/W-
03-
p26q29/
1-6
female/
4y
PBL
?dn
46,XX,r(3)(p26q29)
dynamic mosaicism:
46,XX,r(3)[86]/45,XY,-3[4]/46,XX,dr(3)[10]/47,XX,r(3)x2[14]   
    
GTG
FISH
mild DD, microcephaly, growth retardation, DYS
{558}
RC/W-
03-
p26.3q29/
1-1

male/
newborn

PBL

?dn

46,XY,r(3)(p26.3q29)
aCGH: loss of ~0.3Mb in 3pter

GTG
aCGH
DD, growth retardation, DYS {1198}
RC/W-
03-
p26.1~25.3q29/
1-1

female/
5y

PBL
dn
46,XX,r(3)(p26.1~p25.3q29)
dynamic mosaicism
GTG
DD, microcephaly, growth retardation, DYS {1, case RC3-6;
32}

RC/W-
03-
p26.1q29/
1-1

male/
16y

PBL
dn
46,XY,r(3)(p26.1q29)
dynamic mosaicism:
46,XY,r(3)[262]/45,XY,-3[19]/46,XX,var(3)[19]
acc. to aCGH
~6Mb lost
GTG
FISH, MLPA
aCGH
DD, microcephaly, growth retardation, DYS {1, case RC3-12;
38, 78, case 1}

RC/W-
03-
p25.3q29/
1-1

female/
1y

PBL
dn
46,XX,r(3)(p25.3q29)
dynamic mosaicism:
46,XX,r(3)(p26q29)[90]/47,XX,+2r(3)[5]/46,XX,der(3)[5]
acc. to aCGH in 3p ~10Mb lost
GTG
aCGH
DD, microcephaly, growth retardation, DYS {1, case RC3-13;
39; 141}

RC/W-
03-
p23q29/
1-1

male/
11y

PBL
dn
46,XY,r(3)(p23q29),der(6)t(3;6)(p23;p25.3)
dynamic mosaicism
GTG
FISH
DD, growth retardation, DYS {1, case RC3-10;
36}