Table 4 Children’s oncology group staging system for Wilms tumour
From: Neuroblastoma and nephroblastoma: a radiological review
Stage | Location | Management |
|---|---|---|
Stage I | Confined to kidney with capsule intact | Complete resection |
Stage II | Local spread beyond kidney including renal vein involvement. This includes tumour with local spillage confined to the flank | Complete resection still possible |
Stage III | Residual disease confined to the abdomen, including: | Complete resection NOT possible |
a) lymph node involvement | ||
b) diffuse peritoneal contamination by growth or spillage | ||
c) positive surgical resection margins | ||
d) residual non-resected tumour | ||
Stage IV | Haematogenous metastases | Complete resection NOT possible |
Stage V | Bilateral renal involvement | Each kidney should be staged individually |