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Cerebellar gliomas in infants: specificity, pathology, and outcome
M Vinchon1, M M Ruchoux, G Soto-Ares
1Department of Pediatric Neurosurgery, CHRU de Lille, France. m-vinchon@chru-lille.fr
Insights
Pediatric cerebellar gliomas (CGs) in children under 3 years old show specific features. Despite some challenges, these young patients achieved favorable outcomes, suggesting a distinct subgroup of CGs.
Area of Science:
- Pediatric neuro-oncology
- Neurosurgery
- Pediatric oncology
Background:
- Cerebellar gliomas (CGs) in children typically have good prognoses.
- Limited data exists on CGs in very young children (under 3 years).
Purpose of the Study:
- To analyze the clinical, surgical, and pathological characteristics of CGs in children under 3 years.
- To compare outcomes of CGs in very young children versus older children.
Main Methods:
- Retrospective review of pediatric CG cases operated between 1991-1996.
- Comparison of a cohort of 7 children under 3 years with 43 children over 3 years.
Main Results:
- Total tumor removal was achieved in all cases.
- One intraoperative death occurred in the younger group due to complications; three had malignant tumors.
- No operative mortality or malignancy was observed in the older group.
- All survivors in the younger group were disease-free with minimal symptoms at 33-month follow-up.
Conclusions:
- Children under 3 years with cerebellar gliomas represent a specific subgroup.
- Early diagnosis and surgical intervention are crucial for favorable outcomes in pediatric CGs.
Abstract:
Cerebellar gliomas (CGs) in children are generally associated with a favorable outcome; however, data regarding these tumors in very young children are scarce. We report on our experience with CGs in children less than 3 years old at surgery, compared with a second group older than 3 years. From 1991 to 1996, we operated on 7 children with CGs in the first group and 43 in the second. Psychomotor delay and regression were the first symptoms in 3 cases, and 3 had macrocrania. The tumor was totally removed in all cases. One child died intraoperatively of air embolism and subdural bleeding. Three had malignant tumors (grade 3 or 4). There was no operative mortality or malignancy in the second group of patients. With a mean follow-up of 33 months, all survivors in the first group are disease-free, with no or minimal symptoms, and attend normal schools. The clinical, surgical, and pathological features suggest that children under 3 years of age represent a specific subgroup of CGs.