Presentation
Dizziness, weakness, and blurred vision.
Patient Data
Slightly hypodense, barely enhancing lesion in the posterior part of the pituitary, measuring 10.5 x 6.5 x 9 mm. Most probably a Rathke cleft cyst.
Fluid density lesion (8 HU) hyperdense to CSF measuring 10 x 14 x 7 mm at the location of the pineal gland, exhibiting a thin enhancing rim. Most probably a pineal cyst.
The rest of the study is within normal limits.
Normal sized sella. Medial infundibulum. Normal sized pituitary. Faintly enhancing pituitary lesion, between the adenohypophysis and the neurohypophysis. It exhibits a moderately high signal intensity on non-contrast T1WI. Compatible with Rathke cleft cyst.
Simple pineal cyst without a solid component.
High signal intensity bifrontal and biparietal subcortical punctate lesions on FLAIR and T2 sequences.
Case Discussion
Presented to the emergency department with dizziness, weakness, and blurred vision. Nystagmus on physical exam.
Incidentally discovered concomitant benign midline lesions on CT head, representing a Rathke cleft cyst and a pineal cyst.
On MRI, high SI punctate lesions of undetermined significance were noted on FLAIR.
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