Demographics:
36 years old, Female
Indication:
Galactorrhea, hyperprolactinemia
Findings
- T1 hyperintense, T2 isointense rounded lesion along the superior margin of the pituitary gland measuring 9 x 8 x 6 mm
- Internal rounded area of T2 signal hypointensity measuring 3 mm in diameter
- No corresponding enhancement
- The lesion bulges into the suprasellar cistern but does not clearly contact the optic chiasm
Annotated Images & Illustrations
T1 hyperintense lesion along the superior margin of the pituitary gland (red arrow).
Intralesional T2 hypointense nodule (red arrow), which is a characteristic finding for Rathke cleft cysts.
Diagnosis
Rathke cleft cyst
Key Imaging Features
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Differential Diagnosis
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Discussion
Pearls
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