TYK240

Choose the correct statement:

a) Astrocytomas can be low-grade or high-grade tumors

b) Glioblastoma multiforme (GBM) is a low grade tumor

c) Brainstem gliomas are typically slow growing, operable and associated with a good prognosis

d) Primative neuroendodermal tumors (PNET) have similar histology to medulloblastomas but a better prognosis

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Answer

Answer a. Astrocytomas can be low-grade or high-grade tumors. Glioblastoma multiforme is a high-grade (WHO grade IV) tumor. Only twenty percent of brainstem gliomas are focal gliomas: slow growing, operable and associated with a good prognosis, the remainder are inoperable and have nine-month average survival with radiation. Primative neuroendodermal tumors (PNET) have similar histology to medulloblastomas but a poorer prognosis.

Notes

This question originally printed in the Pediatric Anesthesiology Review Topics kindle book series, and appears courtesy of Naerthwyn Press, LLC.

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