FIG 1. Images from the case of a 21-year-old woman who presented with mild galactorrhea and emotional instability.

A, Coronal, unenhanced, T1-weighted (500/20/3 [TR/TE/excitations) MR image.

B, Contrast-enhanced sagittal image shows a mass with cystic (white arrow) and nodular contrast-enhancing (black arrow) components arising in the hypothalamus and optic chiasm.