Abstract
After hematological malignancies, central nervous system (CNS) tumors comprise the most common cancers in children and are the most common solid malignancy in this age group. Of these, medulloblastoma is the most common malignant pediatric brain tumor, accounting for up to 25% of all tumors in this group [1]. Although medulloblastoma has been diagnosed in all age groups, including fetuses in utero and in octogenarians, the majority of cases present between 5 and 10 years of age with a peak incidence at 7 years of age [1, 2]. There does appear to be a slight gender predilection, with most case series reporting a 1.8:1 ratio in favor of males [1]. Most cases are sporadic, although several familial tumor syndromes have been associated with medulloblastoma, including Gorlin syndrome, Rubenstein—Taybi syndrome, Li—Fraumeni syndrome, ataxia-telangiectasia, Turcot syndrome, neurofibroma-tosis, and tuberous sclerosis [3]. The term medullo-blastoma dates back to 1925 when it was coined by Bailey and Cushing to describe distinct, midline, highly malignant cerebellar tumors [4]. They had postulated that medulloblastoma tumor cells resembled cells of the developing neural tube. Decades later, their hypothesis is still proving insightful [4, 5]. Today, medulloblastoma is classified by the WHO as a distinct embryonal tumor of the cerebellum [6].
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Vachhrajani, S., Taylor, M.D. (2010). Medulloblastoma. In: Tonn, JC., Westphal, M., Rutka, J.T. (eds) Oncology of CNS Tumors. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-02874-8_36
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DOI: https://doi.org/10.1007/978-3-642-02874-8_36
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