Pleomorphic rhabdomyosarcoma

Pleomorphic rhabdomyosarcoma
Updated: 08/07/2020
© Jun Wang, MD, PhD

General features
  • High grade tumor composed of undifferentiated cells
  • Rapid growth
  • Usually in patients older than 50
  • Poor prognosis
Clinical presentations
  • Painless mass
  • Most common location: lower extremity
Key morphological features
Markers
  • Positive for myogenin, desmin, myoD1
Genetic abnormalities
  • Complex karyotype
Treatment
  • Combination of surgery, radiation and chemotherapy

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Contents

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