Kidney tumor - cysts, children, adult benign
Childhood neoplasms
Cystic partially differentiated nephroblastoma

Author: Mandolin Ziadie, M.D. (see Authors page)

Revised: 13 January 2017, last major update January 2012

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PubMed Search: Cystic partially differentiated nephroblastoma

Related topics: Wilms tumor of children , Teratoid Wilms tumor
Cite this page: Cystic partially differentiated nephroblastoma. PathologyOutlines.com website. http://pathologyoutlines.com/topic/kidneytumorcysticnephroblastoma.html. Accessed April 25th, 2017.
Definition / General
  • WHO definition: rare multilocular cystic benign neoplasm of very young children believed to be a part of the nephroblastoma spectrum; composed of cystic spaces with delicate septa containing primitive blastema, epithelium and stroma without evidence of anaplasia; usually hyperdiploid with trisomy 12
Case Reports
Gross Images

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Numerous thin walled cysts

Micro Images

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Embryonal elements
are present, but
conform to the
septa between cysts



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Cysts with hobnail epithelium

Differential Diagnosis