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. 2021 Feb 15;14:83–87. doi: 10.2147/IMCRJ.S295848

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© 2021 Hung et al.

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Brain MRI of a 50-year-old male patient, showing a lobulated contour mass with cystic and solid components. (A) Mid-sagittal T1-weighted image showing a hypointense lesion (star), expanding into the supraoptic recess (black arrow), bowing the floor of the third ventricle (curved arrow), and displacing the optic chiasm downward and forward (white arrow). The pituitary gland remains intact (white arrowhead). (B) Coronal T2-weighted image showing the cystic component (arrow). (C) Axial T2-weighted image showing no intratumoral calcification (arrow). (D) Sagittal T1-weighted post-contrast image showing rim enhancement (white arrows) of the cystic component (star), a strongly heterogeneous solid component (black curved arrow), and the normal enhancement of the pituitary gland (arrowhead). (E) Axial fluid-attenuated inversion recovery (FLAIR) showing the anterior deviation and edema of the optic chiasm (arrowheads).