Breast malignant, males, children
Sarcoma
Rhabdomyosarcoma

Author: Monika Roychowdhury, M.D. (see Authors page)

Revised: 29 December 2016, last major update November 2012

Copyright: (c) 2002-2016, PathologyOutlines.com, Inc.

PubMed Search: rhabdomyosarcoma breast
Cite this page: Rhabdomyosarcoma. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/breastmalignantRMS.html. Accessed January 17th, 2017.
Definition / General
Epidemiology
Case Reports
Clinical Images

Images hosted on PathOut server:

Alveolar, contributed by Dr. Mark R. Wick

Gross Description
  • Round or oval, well demarcated but nonencapsulated masses
  • Hard or soft; cut surface has homogeneous grayish yellow or white tissue with focal necrosis
Micro Description
  • Primitive myoblasts and rhabdomyoblasts with cytoplasmic cross striations
  • Usually alveolar subtype (Med Pediatr Oncol 1997;29:181)
  • Poorly differentiated small round or polygonal cells with sparse eosinophilic cytoplasm
  • Nuclei are round / oval and densely stained
  • Frequent mitotic figures
  • "Racquet" and "strap" cells with peripherally placed nuclei are specific
Micro Images

Images hosted on PathOut server:


Contributed by Dr. Mark R. Wick:

Alveolar

Alveolar with differentiation

Embryonal

Cytology Images

Images hosted on PathOut server:

Embryonal, FNAB, contributed by Dr. Mark R. Wick

Positive Stains
Negative Stains
Differential Diagnosis