Spindle cell rhabdomyosarcoma

Spindle cell rhabdomyosarcoma is a subtype of embryonal rhabdomyosarcoma


There may be increased male predilection. May present at any age


Histologically this tumor can resemble a leiomyosarcoma. It is composed mainly of fascicular, relatively monomorphic spindle-shaped cells that show unequivocal immunohistochemical and ultrastructural evidence of myogenic differentiation. 


There is predilection for the paratesticular region and the head and neck.

Treatment and prognosis

Compared to other rhabdomyosarcomas, it has a good prognosis 1

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Article information

rID: 8327
Synonyms or Alternate Spellings:
  • Spindle cell variant of rhabdomyosarcoma
  • Spindle cell rhabdomyosarcomas

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