T1 sagittals pre gad















































T1 sagittals pre gad

Findings: Region of decreased signal (a) without mass effect in the medulla (med). Soft tissue in the sphenoid sinus (b). Hypothalamus (hypo). Body of the fornix (body forn). Vein of Galen (vog). Quadrigeminal plate (quad). Superior medullary velum (smv). Mammilary body (mam). Optic nerve (on). Pituitary gland (pit). Midbrain (mid).