Nephrectomy in children with wilms' tumor: 15 years of experience with "Tumor Delivery Technique".

The contemporary surgical approach to Wilms' tumors follows that used in adults with renal cell carcinomas, namely, early occlusion of the renal vessels and then removal of the kidney as an intact mass. For years, the surgical approach at our institution has been different, starting with blunt separation of the kidney from the surrounding tissues, followed by its delivery outside the abdominal cavity while it is only attached to the major blood vessels which are subsequently ligated. We aimed to present this "tumor delivery technique" and evaluate its outcomes.

We retrospectively reviewed medical records of children who underwent nephrectomy for Wilms' tumor using "tumor delivery technique." All procedures were performed by the same team, according to the same surgical principles.

Between 2000 and 2015, 36 children were operated. Median age was 31 months (interquartile range [IQR]: 6-45 mo), and median maximal tumor diameter was 10 cm (IQR: 8-13.9 cm). Tumors were located to the right side in 47%, left side in 42%, and bilateral in 11%. Twelve children have received preoperative neoadjuvant chemotherapy. Capsular disruption and tumor spillage were documented in 4 cases (11%).

"Tumor delivery technique" is an easy and safe approach which might reduce the overall complication rates and the incidence of intraoperative tumor spillage.

African journal of paediatric surgery : AJPS. 0000 Jan [Epub]

Yoram Mor, Dorit Esther Zilberman, Roy Morag, Jacob Ramon, Chaim Churi, Itamar Avigad

Department of Urology, The Chaim Sheba Medical Center, Edmond and Lily Safra Children's Hospital, Tel-Hashomer, Ramat-Gan, Affiliated to Sackler School of Medicine, Tel-Aviv University, Tel-Aviv, Israel., Department of Pediatric Hemato-Oncology, The Chaim Sheba Medical Center, Edmond and Lily Safra Children's Hospital, Tel-Hashomer, Ramat-Gan, Affiliated to Sackler School of Medicine, Tel-Aviv University, Tel-Aviv, Israel., Department of Pediatric Surgery, The Chaim Sheba Medical Center, Edmond and Lily Safra Children's Hospital, Tel-Hashomer, Ramat-Gan, Affiliated to Sackler School of Medicine, Tel-Aviv University, Tel-Aviv, Israel.

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