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anaplastic Wilms tumor

Tuesday 10 January 2006

Definition: Anaplasia in Wilms tumor.


- Anaplasia in Wilms tumor = 3x nuclear enlargement with hyperchormasia (L) and multipolar mitotic figure (R)


- Wilms tumor with focal anaplasia
- Wilms tumor with diffuse anaplasia


- Faria P, Beckwith JB, Mishra K, Zuppan C, Weeks DA, Breslow N, Green DM. Focal versus diffuse anaplasia in Wilms tumor—new definitions with prognostic significance: a report from the National Wilms Tumor Study Group. Am J Surg Pathol. 1996 Aug;20(8):909-20. PMID: 8712292