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. 2017;19:e8. doi: 10.1017/erm.2017.8

Table 1.

Clinical features of bilateral WT

AEIOP (Ref. 59) SFCE (Ref. 64) NWTS (Ref. 58) JPLT (Ref. 62) GPOH/SIOP9 (Ref. 65) UKW2 (Ref. 60) Netherlands (Ref. 56) Egypt (Ref. 63) Durban (Ref. 57) Cape Town (Ref. 61) Total
Number of patients 93 49 188 31 28 70 25 22 20 19 545
Date of study 1990–2011 1993–2001 1986–1994 1996–2011 1989–1994 1980–1995 1967–2007 1993–2008 2002–2012 1981–2003 1967–2012
Median or mean age 24 m [5–86] 2.3 y [1.7 m-8.4y] 32 m [1–127] 15 m [7–62] 1.9 y 24.4 m [1–102] 1.03 y [0.27–5.35] 3y [1–9] 2.5y [10 m-9y] 3.6 y [0.6–7.9]
Sex 32 M
61 F
18 M
31 F
74 M
114 F
16 M
15 F
28 M
42 F
7 M
18 F
10 M
12 F
11 M
9 F
7 M
12 F
203 M
314 F
BWS 3 0 10 0 2 2 0 0 17
DD 1 4 0 2 with WT1 mutation 3 3 1 0 14
WAGR 2 3 1 0 5 0 0 0 11
Isolated aniridia 2 1 6 0 At least one with 11p13 deletion 0 0 0 0 7
Isolated HH 5 1 15 0 0 0 1 0 22
Perlman 1 1 0 0 2 0 0 0 4
GU anomalies 0 1 6 hypospadias
11 undescended testis
3 hypospadias
4 undescended testis
1 horseshoe kidney
15 0 1 hypospadias with undescended testis 0 42
Other 1 Prune Belly
1 Mental and growth retardation
0 0 1 familial WT 0 0 0 0 3
WT1 mutation 21 (68%) 21
S or Me All S All S All S All S All S All S 14 S
11 Me
19 S
3 Me
14 S
5 Me
506 S
19 Me
Metastatic 11 (12%) 5 (10%) 16 (8.5%) 2 (6%) 3 (11%) 9 (13%) 2 (8%) 0 4 (20%) 1 (5%) 53 (9.7%)

M, male; F, female; m, months; y, years; BWS, Beckwith–Wiedemann Syndrome; DD, Denis-Drash; WAGR, Wilms, Aniridia, Genito-urinary malformations and mental Retardation; HH, hemi-hypertrophy; GU, genito-urinary; S, synchronous; Me, metachronous.