Results of treatment of fifty-six patients with localized retroperitoneal and pelvic rhabdomyosarcoma: A report from the Intergroup Rhabdomyosarcoma Study-IV, 1991-1997

R. Beverly Raney*, Julie A. Stoner, David O. Walterhouse, Richard J. Andrassy, Sarah S. Donaldson, Fran Laurie, William H. Meyer, Stephen J. Qualman, William M. Crist

*Corresponding author for this work

Research output: Contribution to journalReview article

29 Scopus citations

Abstract

Background. We reviewed 56 IRS-IV patients with localized rhabdomyosarcoma [RMS] of the retroperitoneum/pelvis to assess outcome and prognostic factors, including the value of initially excising ≥50% of the tumor (debulking) before chemotherapy. Methods. Patients had embryonal RMS [N=38], alveolar RMS [N=7], RMS not otherwise specified [NOS, N=7], or undifferentiated sarcoma [N=4]. Fifteen patients were debulked; 41 patients were biopsied. All received VAC; most received radiotherapy. Results. Estimated 5-year failure-free survival [FFS] and overall survival rates were 70 and 75%, respectively. FFS rates were better for patients <10 years old and those with embryonal RMS compared to alveolar RMS/undifferentiated sarcoma. After adjusting for age and histological differences, FFS was better for patients whose tumor was debulked prior to beginning therapy [P=0.02]. Conclusions. These results are superior to those of previous protocols for patients with RMS of the retroperitoneum/pelvis. Initial excision of ≥50% of the tumor may be associated with increased FFS.

Original languageEnglish (US)
Pages (from-to)618-625
Number of pages8
JournalPediatric Blood and Cancer
Volume42
Issue number7
DOIs
StatePublished - Jun 2004

Keywords

  • Childhood/adolescence
  • IRS-IV
  • Retroperitoneal/pelvic rhabdomyosarcoma

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Hematology
  • Oncology

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