MRI
Axial T2
Sagittal T1
Coronal T1
Coronal T2
Sagittal T1 C+
Coronal T1 C+
There is a large homogeneous cystic lesion with proteinaceous content without solid mass, located in the sellar/suprasellar region. It is T1-WI hypertense and T2-WI isointense without enhancement after contrast administration.
The lesion displaces the optic chiasm, infundibulum, hypothalamus and cavernous sinus.