Although the causes of Wilms’ tumor are not exactly known, some factors may be:
- WAGR syndrome
- Denys-Drash syndrome
- Beckwith-Wiedemann syndrome
- Perlman syndrome
- Sotos syndrome
- Simpson-Golabi-Behmel syndrome
- Bloom syndrome
- Li-Fraumeni syndrome
- Frasier syndrome
- Trisomy 18