Pituitary macroadenoma
Updates to Case Attributes
Presentation
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Updates to Study Attributes
Findings
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There is a large sellar mass lesion extending to the suprasellar area (giving a snowman appearance) and causing the expansion of the sella and mass effect to the floor of 3rd ventricle superiorly,
The lesion appears isointense on T1W sequence and slightly hyperintense on T2W sequences, enhancing heterogeneously on post contrast exam and showing cystic changes, without obvious calcification or hemorrhagic component .
The optic chiasm is not clearly visualized being mostly compressed by the lesion.
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