Other malignancies
Embryonal rhabdomyosarcoma

Authors: Komal Arora, M.D. (see Authors page)

Revised: 25 August 2016, last major update June 2012

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

PubMed search: prostatic embryonal rhabdomyosarcoma
Cite this page: Embryonal rhabdomyosarcoma. website. Accessed October 23rd, 2016.
Definition / General
  • Most common malignant tumor in children / infants
  • Firm, smooth enlargement of prostate
  • Nodal metastases less common than in this tumor in head and neck
  • Prognosis has improved for children (Int J Cancer 2011;128:1232), but is still poor in adults (Int J Surg Pathol 2011;19:831)
  • Usually present with stage 3 disease, sometimes with distant metastases
Prognosis and Treatment
  • Better if leiomyosarcoma-like appearance
  • Multiple agent chemotherapy, surgery and radiation
Micro Description
  • Cellular, particularly around blood vessels, alternating with myxoid / edematous areas and necrosis
  • Small round / oval / spindly tumor cells
  • May have bizarre forms with abundant, eosinophilic cytoplasm, variable cross striations
  • Usually extraprostatic extension
Micro Images

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Bladder tumors

Differential Diagnosis