title: Radiation therapy as part of local control of metastatic neuroblastoma: the St Jude Children's Research Hospital experience.
abstract: OBJECTIVE
  The purpose of the study was to compare outcomes of pediatric patients with high-risk metastatic neuroblastoma who received radiotherapy (RT) with those of patients who did not.
  
  
  METHODS
  We reviewed the records of 63 patients with newly diagnosed metastatic neuroblastoma treated at our institution (1989-2001) to investigate their characteristics at presentation, dose and field of RT, treatment response, and failure patterns.
  
  
  RESULTS
  Seventeen patients received RT, and 46 did not. In the RT group, a greater percentage of patients had residual disease before consolidation than did those in the no-RT group (88.2% vs 69.6%, P = .008). Gross total resection was achieved less often in the RT group (65% vs 89%, P = .055), but the 5-year cumulative incidences of local failure were similar (35.3% +/- 12.4% vs 32.6% +/- 7.1%). Although there was no difference in 5-year event-free survival, overall survival was better in the no-RT group (47.8% +/- 7.2% vs 23.5% +/- 9.2%, P = .026).
  
  
  CONCLUSIONS
  The addition of RT to the therapy of a group of patients with more residual locoregional disease appeared to improve the local failure rate to approximately that of patients with less residual disease. Radiotherapy may provide even greater benefit to those with less residual disease before consolidation.
authors.affiliation: Department of Oncology, St Jude Children's Research Hospital, Memphis, TN 38105-2794, USA.
authors.forename: Jared R
authors.initials: JR
authors.lastname: Robbins
authors.forename: Matthew J
authors.initials: MJ
authors.lastname: Krasin
authors.forename: Atmaram S
authors.initials: AS
authors.lastname: Pai Panandiker
authors.forename: Amy
authors.initials: A
authors.lastname: Watkins
authors.forename: Jianrong
authors.initials: J
authors.lastname: Wu
authors.forename: Victor M
authors.initials: VM
authors.lastname: Santana
authors.forename: Wayne L
authors.initials: WL
authors.lastname: Furman
authors.forename: Andrew M
authors.initials: AM
authors.lastname: Davidoff
authors.forename: Lisa M
authors.initials: LM
authors.lastname: McGregor
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D009364:Neoplasm Recurrence, Local / Q000517:prevention & control; D009447:Neuroblastoma / Q000473:pathology / Q000532:radiotherapy* / Q000556:secondary* / Q000628:therapy; D011878:Radiotherapy / Q000009:adverse effects; D011879:Radiotherapy Dosage; D012189:Retrospective Studies; D016019:Survival Analysis
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