Medizinische Universität Graz - Research portal
Selected Publication:
Ladenstein, R; Ambros, IM; Pötschger, U; Amann, G; Urban, C; Fink, FM; Schmitt, K; Jones, R; Slociak, M; Schilling, F; Ritter, J; Berthold, F; Gadner, H; Ambros, PF.
Prognostic significance of DNA di-tetraploidy in neuroblastoma.
Med Pediatr Oncol. 2001; 36(1):83-92
Doi: 10.1002/1096-911X(20010101)36:1<83::AID-MPO1020>3.0.CO;2-9
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PubMed
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- Co-authors Med Uni Graz
- Urban Ernst-Christian
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- Abstract:
- BACKGROUND: Identification of biological factors may provide tools to discriminate poor risk neuroblastoma patients of diagnosis, to ultimately offer risk adapted treatment intensity. PROCEDURES: Tumour cell DNA content, MYCN amplification (NMA), deletion of the short arm of chromosome 1 (del 1p) as well as three serological markers were assessed in 179 children with neuroblastoma. RESULTS: Localised regional disease (stage 1 to 3) was diagnosed in 98 patients, and disseminated disease in 81 patients (65 with stage 4, 16 with stage 4s). Median age at diagnosis was 12 months and the median observation time 4 years. Sixty-seven of 179 patients had near di-tetraploid tumours (37%), with a significantly worse prognosis of 44% overall survival at 4 years in comparison with 88% in near triploid tumours (P < .001). The near di-tetraploid group showed a significant correlation with additional adverse biological factors (NMA, del 1p: P < 0.001), age over 1 year (P< 0.001), clinical stage 4 (P< 0.001), elevated ferritin (P = 0.023), and elevated LDH (P< 0.001). Multivariate analysis based on the overall (OS) and event free survival (EFS) estimations revealed that near di-tetraploidy was the most powerful biological factor, with a P-value of <0.001 for EFS and OS, followed by NMA (P = 0.015) for OS and del 1p (P= 0.047) for EFS. CONCLUSIONS: This analysis underlines the important influence of near di-tetraploidy on prognosis, and suggests that more efforts should be undertaken to implement this factor in future studies.
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- neuroblastoma
- prognostic factors
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