title: Unusual presentation of Wilms' tumor.
abstract: A Wilms' tumor, completely filling the collecting system of a kidney, led to nonfunction of the involved kidney. Histologic examination proved absence of renal vein involvement. Review of our case material and discussions with other centers showed that this unusual presentation has been seen elsewhere.
mesh_terms: D002675:Child, Preschool; D005260:Female; D006801:Humans; D007680:Kidney Neoplasms / Q000473:pathology*; D009396:Wilms Tumor / Q000473:pathology*