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. 2022 Aug 8;9:100434. doi: 10.1016/j.ejro.2022.100434

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© 2022 The Authors

This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

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Fig. 13 — Immune-mediated hypophysitis in a 70-year-old woman with melanoma on Pembrolizumab. A. Contrast-enhanced sagittal MRI image of the brain shows enlargement of the pituitary gland with convex superior margin (arrow) and thickened stalk (dashed white arrow). B. T1W sagittal MRI image of the brain shows absent posterior pituitary bright spot (white circle). C. Contrast-enhanced sagittal MRI image of the brain obtained after Pembrolizumab was stopped and steroid was administered shows significant decrease in the size of pituitary gland with empty sella turcica (arrow).