phuluong2k
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26) A 10-year-old boy presents to the emergency department with headache, nausea, and vomiting for the past 3 days. Neurologic examination reveals nuchal rigidity and papilledema. A CT scan reveals an infiltrating cerebellar tumor, which is located in the midline (vermis), with plaque-like extensions onto the cerebellar surface. There is no cystic component. The fourth ventricle is compressed, and the third and lateral ventricles are dilated. Which of the following is the most likely diagnosis?
A. Ependymoma
B. Hemangioblastoma
C. Medulloblastoma
D. Meningioma
E. Oligodendroglioma
F. Pilocytic astrocytoma
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| mani
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F. Pilocytic astrocytoma ??
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| ARJ
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C. Medulloblastoma
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| DrS
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C. Medulloblastoma
astrocytomas have cystic areas
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| chemamr
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C.
why canīt be an ependymoma? just curious. 
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| lucky
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looks likle medulloblastoma
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| phuluong2k
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Medulloblastoma
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| DrS
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chemamr: ependymomas arise from within the ventricles. This vignette clearly states that the tuomour arises from the vermis of the cerebellum.
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