The most impoant prognostic factor of Wilms tumor-
Robbins basic pathology 10th edition page no 290. Wilms tumor or nephroblastoma is the most common primary tumor of the kidney in children. On microscopic examination, Wilms tumors are characterized by recognizable attempts to recapitulate different stages of nephrogenesis. The pattern of anaplastic cells within the primary tumor has impoant implications for prognosis.
Histopathology
Ploidy of cells
Age < 1 y
Mutation of c 1p gene
Pediatrics, environment and nutrition