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  • Title: Benign cerebellar pilocytic astrocytomas in children.
    Author: Bilginer B, Narin F, Oguz KK, Uzun S, Soylemezoglu F, Akalan N.
    Journal: Turk Neurosurg; 2011 Jan; 21(1):22-6. PubMed ID: 21294087.
    Abstract:
    AIM: Cerebellar astrocytomas are benign tumors of the central nervous system. They represent 10% of all pediatric intracranial brain tumors and 30% of all pediatric posterior fossa tumors especially in the first two decades of life. MATERIAL AND METHODS: We reviewed the medical records of patients; age at the time of surgery, pre- and post operative magnetic resonance imaging (MRI), localisation of the tumor, hydrocephalus, surgical approach, pre- and post operative neurological status, post operative adjuvant therapy and outcome were documented. RESULTS: The male to female ratio was 20/11. Age at the time of evaluation ranged from 3 to 23 years. Age at the time of surgery ranged from 1 to 18 years. Follow-up duration after surgery was 1-12 years. 55% of these tumors were located at the cerebellar vermis and 45% were at the cerebellar hemispheres. Complete surgical resection was done in 74% of these patients. 5 patients had a second operation because of residual tumor. Ventriculoperitoneal shunt insertion was performed in 3 of 31 patients because of symptomatic hydrocephalus and 1 patient had an endoscopic third ventriculostomy pre-operatively. 90% of these patients had no neurological sequelae at follow-up evaluation. CONCLUSION: Cerebellar astrocytomas are benign tumors where total resection is possible in the majority of cases with an excellent outcome.
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