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Illustrative case 1. Nonfunctional pituitary adenoma with a firm surgical consistency. MRE (A) with findings of a tumor firmer than the normal brain. The T2-weighted (B) and T1-weighted (C) sequences show a hyperintense and hypointense tumor, respectively. Reticulin staining (D) shows a dense reticulin deposition. Original magnification ×10. Figure is available in color online only.
