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10547 Pathology

A 10-year-old child with new onset of visual field abnormalities and diabetes insipidus undergoes a head CT. The CT scan demonstrates a 3cm mass lesion with focal calcification involving the area above the sella turcica. Needle biopsy of this mass shows that the tumor is composed of tissue resembling tooth enamel. Which of the following diagnoses is most likely?

ACraniopharyngioma
BGlioblastoma multiforme
CLarge pituitary adenoma
DMedulloblastoma
Pathology
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