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Prepost operative magnetic resonance imaging (MRI) scan, coronal (right), and sagittal (left) T1 weighted images. (A) Preoperative MRI scan following intravenous gadolinium showed a 1×0.9 cm sized peripheral enhancing cystic lesion with high signal intensity in the pituitary fossa. (B) On postoperative day 1, a residual soft tissue lesion (white arrow) was shown.
