Craniopharyngioma CT

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

CT

• Cranial magnetic resonance imaging (MRI): An MRI uses magnetic fields but it is a different type of image than what is produced by computed tomography (CT). It can produce very detailed images of the brain to help diagnose craniopharyngioma. Like computed tomography (CT), a contrast agent may be injected into a patient’s vein to create a better picture.
• Cranial computed tomography (CT) scan: CT scans are also used to diagnose craniopharyngioma. It can confirm the location of the tumor and show the organs nearby.
• Endocrine hormone tests

• Adamantinomatous-type tumor appears as a predominately cystic mass with a solid component (>90%).
• The solid component appears isoattenuating and usually contains calcifications (>80%).
• The sella may be expansile
• Hydrocephalus may be present
• Contrast enhancement is characteristic of the solid component and cyst wall (90% cases)

• Papillary type is usually solid, isoattenuating, and rarely calcified.

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