Bladder & ureters
Urothelial carcinoma-invasive
Rhabdoid tumor

Topic Completed: 1 December 2014

Revised: 26 June 2019

Copyright: 2003-2019,, Inc.

PubMed Search: Rhabdoid tumor [title] bladder

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Cite this page: Levy G. Rhabdoid tumor. website. Accessed August 18th, 2019.
Definition / general
  • Controversial tumor of bladder - a few unequivocal cases in children / teenagers have been described
  • Very rare
Clinical features
  • Patients present with hematuria
  • Poor prognosis
Microscopic (histologic) description
  • Large rhabdoid cells with abundant brightly eosinophilic cytoplasm, vesicular nuclei and a prominent nucleolus in a myxoid background
  • Cases with prominent rhabdoid component usually have other carcinoma components (Hum Pathol 2006;37:168)
Microscopic (histologic) images

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Renal rhabdoid tumor

Positive stains
Electron microscopy description
  • Intermediate filaments adjacent to nucleus
Differential diagnosis
  • Neuroblastoma: also rare at this site, small blue cell tumor
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