Related Experiment Video
Updated: Jun 6, 2026
05:10
Intracranial Orthotopic Allografting of Medulloblastoma Cells in Immunocompromised Mice
Published on: October 3, 2010
Recurrence in childhood medulloblastoma
Monika Warmuth-Metz1, Sophia Blashofer, André O von Bueren
1Department of Neuroradiology, Reference Center for Neuroradiology, University of Würzburg, Josef-Schneider-Str.11, 97080 Würzburg, Germany. warmuth@neuroradiologie.uni-wuerzburg.de
Journal of Neuro-Oncology
|November 12, 2010
Summary
Recurrence of medulloblastoma in children is linked to younger age and specific patterns of meningeal spread. While isolated frontal recurrences occurred, they did not correlate with treatment protocol violations in this study.
Area of Science:
- Pediatric Oncology
- Neuro-oncology
- Radiation Oncology
Background:
- Medulloblastoma is a common pediatric brain tumor.
- Recurrence remains a significant challenge in medulloblastoma treatment.
- Understanding relapse patterns is crucial for improving outcomes.
Purpose of the Study:
- To analyze recurrence patterns in children treated for medulloblastoma.
- To identify factors associated with medulloblastoma relapse.
- To investigate the characteristics of meningeal dissemination.
Main Methods:
- Retrospective analysis of 38 children with medulloblastoma from HIT2000 and HIT91 studies.
- Identification of 40 recurrence events from a neuroradiological database.
- Correlation of recurrence with patient age, surgical removal, treatment protocol adherence, and dissemination patterns.
Main Results:
- Relapse was more frequent in younger children.
- Meningeal dissemination occurred in 32 events, with 16 in the frontal region.
- Isolated frontal/frontobasal meningeal disease was noted in 8 events.
- Circumscribed meningeal recurrences showed better overall survival than diffuse ones.
- No correlation found between recurrence and incomplete surgery or protocol violations.
- Delayed radiotherapy in children under 4 may be a factor.
Conclusions:
- Younger age and specific meningeal dissemination patterns are associated with medulloblastoma recurrence.
- Isolated frontobasal recurrences, while common, did not appear linked to radiation underdosing in this cohort.
- Further investigation into factors influencing recurrence, particularly in younger children, is warranted.
Related Concept Videos
01:20The Retinoblastoma Gene
Tumor suppressor genes are normal genes that can slow down cell division, repair DNA mistakes, or program the cells for apoptosis in case of irreparable damage. Hence, they play an essential role in preventing the proliferation of damaged cells.
The first-ever tumor suppressor gene called Rb was identified in retinoblastoma - a rare eye tumor in children. In inherited forms of the disease, a child inherits one defective copy of the Rb gene, which predisposes them to retinoblastoma. However,...
The first-ever tumor suppressor gene called Rb was identified in retinoblastoma - a rare eye tumor in children. In inherited forms of the disease, a child inherits one defective copy of the Rb gene, which predisposes them to retinoblastoma. However,...
01:20The Retinoblastoma Gene
Tumor suppressor genes are normal genes that can slow down cell division, repair DNA mistakes, or program the cells for apoptosis in case of irreparable damage. Hence, they play an essential role in preventing the proliferation of damaged cells.
The first-ever tumor suppressor gene called Rb was identified in retinoblastoma - a rare eye tumor in children. In inherited forms of the disease, a child inherits one defective copy of the Rb gene, which predisposes them to retinoblastoma. However,...
The first-ever tumor suppressor gene called Rb was identified in retinoblastoma - a rare eye tumor in children. In inherited forms of the disease, a child inherits one defective copy of the Rb gene, which predisposes them to retinoblastoma. However,...