Diagnostic and prognostic markers in infants with disseminated neuroblastoma: A retrospective analysis from the Italian Cooperative Group for Neuroblastoma

Andrea Di Cataldo, Daniela Dau, Massimo Conte, Stefano Parodi, Bruno De Bernardi, Maria Giuliano, Andrea Pession, Elisabetta Viscardi, Roberto Luksch, Aurora Castellano, Gregoria Bertuna, Riccardo Haupt

Research output: Contribution to journalArticle

Abstract

Background: One fourth of infants with disseminated neuroblastoma experience unfavorable outcome. Treatment strategies vary and are based on clinical characteristics at diagnosis which lead to the definition of stage 4 or 4s. To identify the distribution and effect of different prognostic factors, a series of such infants diagnosed in Italy between 1991-1999 was reviewed. Material/Methods: Data were retrospectively retrieved from the Italian Neuroblastoma Registry. One hundred infants, 32 stage 4 and 68 stage 4s, were eligible. Clinical and biological characteristics evaluated at diagnosis for their impact on survival were demographics, primary site, urinary excretion of vanillylmandelic and homovanillic acids, serum neuron specific enolase, LDH, and ferritin together with analysis for MYCN gene, DNA index, and 1p36 chromosome. Results: Stage 4 prevailed in the second six months of life and stage 4s in the first six months. Events were distributed over two years in stage 4, but occurred very early in stage 4s patients. Survival was respectively 72% and 77.9%. Unfavorable factors were MYCN amplification for both stages, elevated NSE and LDH and normal VMA for stage 4, and di-tetraploid DNA for stage 4s. Conclusions: The frequency of stage 4s was greater than stage 4. MYCN amplification was the most unfavorable prognostic factor. Survival was similar to previous series, confirming that a part of such infants cannot be cured by current therapies.

Original languageEnglish
JournalMedical Science Monitor
Volume15
Issue number1
Publication statusPublished - 2009

Keywords

  • Infant
  • Metastasis
  • MYCN
  • Neuroblastoma
  • Stage 4s

ASJC Scopus subject areas

  • Medicine(all)

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