Corresponding author
Sabine Irtan, MD, PhD, Service de Chirurgie Viscérale Pédiatrique et
Néonatale, Hôpital Trousseau, Assistance Publique Hôpitaux de Paris, 26,
avenue Dr Arnold Netter, 75012 PARIS, France. Phone: +33 1 71 73 87 98 ;
Fax: +33 1 44 73 69 79, Email:sabine.irtan@gmail.com
Word count : Abstract: 99 words, Main text: 993 words
Number of figures : 2
Number of supplemental tables : 1
Running title : Nephron Sparing Surgery in bilateral Wilms
tumors with Botryoid Growth Pattern
Keywords : Nephron Sparing Surgery- Botryoid Growth Pattern-
Wilms tumour – Children
The abbreviations key table :