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Abstract
Purpose: To describe a magnetic resonance imaging (MRI) sign of pituitary apoplexy. Methods: The cranial MRI scans of 3 patients with pituitary apoplexy were retrospectively reviewed. Results: All 3 patients displayed a distinctive MRI sign of an enlarged pituitary gland with peripheral gadolinium enhancement surrounding a hypointense gland. Conclusions: The “pituitary ring sign” can aid in the early diagnosis and treatment of pituitary apoplexy.
Notes
*Originally published by Vaphiades MS, Simmons D, Archer RL, Stringer W. Sheehan Syndrome: A Splinter of the Mind. Surv Ophthal 2003;48:230-3.