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Fırat Tıp Dergisi |
2009, Cilt 14, Sayı 4, Sayfa(lar) 283-286 |
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A WAGR Syndrome Case with Postaxial Polydactyly |
Hatice KOÇAK1, Gülay CEYLANER2 |
1Ankara Dışkapı Çocuk Hastalıkları Eğitim ve Araştırma Hastanesi, Tıbbi Genetik, ANKARA, Türkiye 2İntergen Genetik Merkezi, ANKARA, Türkiye |
The WAGR contiguous gene deletion syndrome is a combination of Wilms tumor, Aniridia, Genito-urinary abnormalities, and growth and mental
Retardation which is invariably associated with an 11p13 deletion. This deletion included the PAX6 and WT1 genes as previously reported in typical
WAGR patients. Ocular defects result from hemizygosity for the PAX6 gene. Urogenital and renal abnormalities and predisposition to nephroblastoma
are related to hemizygosity for the Wilms tumor suppressor gene WT1. We report an 8-year-old boy with WAGR syndrome and additional
unusual clinical features. He had developmental delay, growth deficiency, severe ocular involvement, operated Wilms tumor and postaxial polydactyly.
Cytogenetic and fluorescent in situ hybridization (FISH) analyses identified a deletion, del (11) (p11.2p13). Although the simultaneous appearance
of WAGR and preaxial polydactyly has been already described, to our knowledge this is the first case in which the postaxial polydactyly is
reported. The unusual anomalies described in this report may be another features of the WAGR syndrome and suggest the existence of a related gene
in the WAGR critical region or in its proximity.
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