Histologically, the tumor showed a triphasic pattern, consisting of stromal, epithelial and blastemal components.
Jinyoung Park 2016, 'Extrarenal retroperitoneal Wilms' tumor with subsequent pulmonary and peritoneal metastasisin a 4 year-old girl: A case report and review of literature', Journal of Pediatric Surgery Case Reportshttp://www.sciencedirect.com/science/article/pii/S2213576616300392. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Microscopically, the tumor was composed of variable-sized cysts separated by fibrous septa without blastemal elements.
Shu-Han Huang, Tong-Jong Chen 2016, 'Cystic nephroma of childhood: A case report and review of the literature', Urological Sciencehttp://www.sciencedirect.com/science/article/pii/S1879522614001237. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Moreover, we show that advanced stage tumors shift towards the renal blastemal archetype.
Ariel Trink, Itamar Kanter, Naomi Pode-Shakked, Achia Urbach, Benjamin Dekel, TomerKalisky 2018, 'Geometry of Gene Expression Space of Wilms' Tumors From Human Patients', Neoplasia: An International Journal for Oncology Researchhttp://www.sciencedirect.com/science/article/pii/S1476558618300265. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
No cells with clear cytoplasm, blastemal or immature elements were seen.
Christopher Wilkinson, Victor Palit, Mallikarjun Bardapure, Jennifer Thomas, AnthonyJ Browning, Kanwar Gill, Chandra Shekhar Biyani 2013, 'Adult multilocular cystic nephroma: Report of six cases with clinical, radio-pathologiccorrelation and review of literature', Urology Annalshttp://www.urologyannals.com/article.asp?issn=0974-7796;year=2013;volume=5;issue=1;spage=13;epage=17;aulast=Wilkinson. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
A blastemal structure was implicated in the formation of new neural cells.
Carl Dahlberg, Hélène Auger, Sam Dupont, Yasunori Sasakura, Mike Thorndyke, Jean-StéphaneJoly 2009, 'Refining the Ciona intestinalis model of central nervous system regeneration.', PLoS ONEhttp://europepmc.org/articles/PMC2639796?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
An intraoperative rapid diagnosis, based on peritoneal fluid cytology, confirmed three components of blastemal, stromal, and epithelial cells.
Nozomu Kurose, Michiho Takenaka, Manabu Yamashita, Chie Shimaguchi, Mariko Nakano,Bryant Britni, Xin Guo, Chizuru Futatsuya, Akihiro Shioya, Sohsuke Yamada 2018, 'A case report of infantile cystic nephroblastoma', Diagnostic Pathologyhttp://link.springer.com/article/10.1186/s13000-018-0761-5. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The blastemal cells were dyshesive, with scant to no cytoplasm and were the predominant cell type.
Nozomu Kurose, Michiho Takenaka, Manabu Yamashita, Chie Shimaguchi, Mariko Nakano,Bryant Britni, Xin Guo, Chizuru Futatsuya, Akihiro Shioya, Sohsuke Yamada 2018, 'A case report of infantile cystic nephroblastoma', Diagnostic Pathologyhttp://link.springer.com/article/10.1186/s13000-018-0761-5. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)