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Choroid fissure cyst

Case contributed by Mostafa Elfeky
Diagnosis almost certain

Presentation

Hyperprolactinemia for 6 months.

Patient Data

Age: 30 years
Gender: Male

Brain and sella

mri

A small hypoenhancing area is noted at the left side of the pituitary gland at the delayed postcontrast sequence averaging 5 mm. It appears hypointense on T1 and isointense on T2. Associated mild thickening of the pituitary stalk.

A right-sided choroid fissure cyst is noted.

Case Discussion

In the setting of hyperprolactinemia, the hypoenhancing small pituitary lesion is suggestive of a pituitary microadenoma.

Choroid fissure cyst is usually an incidental finding on brain imaging.

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