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. 2023 Jun 21;11:1162654. doi: 10.3389/fped.2023.1162654

Figure 3.

Figure 3

Granular cell tumor of the neurohypophysis in a 12-year-old boy with visual disturbances and central diabetes insipidus. Imaging shows a compact, solid and rounded suprasellar lesion, spontaneously hyperdense (asterisks) on axial head CT scan (A). Brain MRI shows that the mass is well-defined and hypointense on coronal T2WI (B) and isointense on sagittal T1WI (C) (black arrowheads). There is mild reduced diffusivity on axial DWI (D) and ADC map (E), and homogenous solid enhancement on post-gadolinium sagittal T1WI (F). The expansile lesion causes superior and anterior displacement of the optic chiasm (black arrowheads in C,F) and deformation of the floor of the third ventricle. Note normal location and enhancement of the pituitary gland on sagittal images [(C,F) white arrowhead].