Scintigraphic response by123I-metaiodobenzylguanidine scan correlates with event-free survival in high-risk neuroblastoma

Howard M. Katzenstein, Susan L. Cohn, Richard M. Shore, Dianna M E Bardo, Paul R. Haut, Marie Olszewski, Jennifer Schmoldt, Dachao Liu, Alfred W. Rademaker, Morris Kletzel*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

74 Scopus citations


Purpose: To investigate whether response to induction therapy, evaluated by metaiodobenzylguanadine (MIBG) and bone scintigraphy, correlates with event-free survival (EFS) in children with high-risk neuroblastoma (NB). Patients and Methods: Twenty-nine high-risk NB patients were treated prospectively with an intensive induction regimen and consolidated with three cycles of high-dose therapy with peripheral blood stem-cell rescue. The scintigraphic response was evaluated by MIBG and bone scans using a semi-quantitative scoring system. The prognostic significance of the imaging scores at diagnosis and following induction therapy was evaluated. Results: A trend associating worse 4-year EFS rates for patients with versus without osteomedullary uptake on MIBG scintigraphs at diagnosis was seen (35% ± 11% v 80% ± 18%, respectively; P = .13). Similarly, patients with positive bone scans at diagnosis had worse EFS than those with negative scans, although the difference did not receive statistical significance (34% ± 10% v 83% ± 15%, respectively; P = .06). However, significantly worse EFS was observed in patients with a postinduction MIBG score of ≥ 3 compared to those with scores of less than 3 (0% v 58% ± 11%; P = .002). There was no correlation between bone scan scores and outcome following induction therapy. Conclusion: MIBG scores ≥ 3 following induction therapy identifies a subset of NB patients who are likely to relapse following three cycles of high-dose therapy with peripheral blood stem-cell rescue, local radiotherapy, and 13-cis-retinoic acid. Alternative therapeutic strategies should be considered for patients with a poor response to induction therapy.

Original languageEnglish (US)
Pages (from-to)3909-3915
Number of pages7
JournalJournal of Clinical Oncology
Issue number19
StatePublished - 2004

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

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