Pituitary microadenoma (haemorrhagic)
Presentation
Increasing weight, decreased vision came for an MRI sella to rule out sellar mass lesion
Patient Data
Age: 16 years old
Gender: Female
From the case:
Pituitary microadenoma (haemorrhagic)
MRI
MRI sella
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Sagittal T1
- mildly bulky appearing pituitary gland with maximal craniocaudal height of 9.5mm.
- shift of normal thickness pituitary stalk to right.
- a well defined T1 hyperintense lesion is seen confined to the left half of anterior pituitary.
- normal posterior pituitary bright spot.
- optic nerves, tract and chiasm are not involved.
- screening neuroparenchyma is unremarkable.
Case Discussion
Haemorrhagic changes may be identified in pituitary adenomas which makes them appear hyperintense on T1 non contrast images itself. This obscures the dynamic contrast enhanced study that ensues in providing more clinical information. Pituitary apoplexy should also be considered.
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