Urothelial carcinoma-invasive
Rhabdoid tumor

Author: Gillian Levy, M.D. (see Authors page)

Revised: 20 July 2016, last major update December 2014

Copyright: (c) 2003-2016,, Inc.

PubMed Search: Rhabdoid tumor [title] bladder
Cite this page: Rhabdoid tumor . website. Accessed October 16th, 2018.
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