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51-year-old woman with known nonfunctioning hemorrhagic pituitary microadenoma who underwent follow-up evaluation with 7-T MRI. Sagittal postcontrast 3D T1-weighted MP-RAGE image shows known nonenhancing microadenoma (solid arrow) and new lesion (dotted arrow), which is located between adenohypophysis and neurohypophysis. New lesion has T1 hypointensity that is similar to CSF signal (asterisk) and was thus favored to represent incidental Rathke cleft cyst.
