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Pediatr Blood Cancer. 2010 Jan;54(1):29-34. doi: 10.1002/pbc.22231.

Clinical and pathological features of paediatric malignant rhabdoid tumours.

Author information

  • 1Unit of Molecular Haematology and Cancer Biology, UCL Institute of Child Health, London, UK. j.anderson@ich.ucl.ac.uk

Abstract

BACKGROUND:

Malignant rhabdoid tumours (MRT) and their central nervous system (CNS) counterparts atypical teratoid/rhabdoid tumours (ATRT) are rare, highly aggressive malignant neoplasms of childhood. Although there are isolated reports of long-term survival with intensive, multimodal therapy, outcomes are generally poor.

PROCEDURE:

We conducted a retrospective review of all patients diagnosed with MRT/ATRT at Great Ormond Street Hospital over the 20 years from 1989 to 2009. All cases were subjected to expert pathological review including INI-1 immunostaining.

RESULTS:

In a final cohort of 34 cases, overall survival was 17.4%, with median survival 10.1 months. Outcome in patients aged <3 years was significantly worse (median survival 6.2 months vs. 19.2 months). Data demonstrated a statistically significant benefit of radiotherapy (median survival 14.9 months vs. 6.6 months), although this analysis is confounded by the impact of patient age. There were four long-term survivors (>30 months), all of whom received chemotherapy with or without surgical resection or radiotherapy. In the present study, immunohistochemistry revealed no significant staining for either c-Erb or c-Met in any case, suggesting that targeting these molecules is unlikely to be of benefit in treating MRT/ATRT.

CONCLUSIONS:

In view of poor outcomes, there is a clear need for new treatment strategies and the identification of novel molecular targets for MRT/ATRT.

Copyright 2009 Wiley-Liss, Inc.

PMID:
19653294
[PubMed - indexed for MEDLINE]
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