Findings:
The known, small lesion in the suprasellar cistern, which is located immediately posterior to the infundibulum shows a tiny focus of fat saturation centrally. However, the lesion remains predominantly hyperintense in the postcontrast study, correlating with known calcifications with blooming on T2 sequence in the previous study.
The intracranial appearances are otherwise unremarkable. No evidence of any enhancing intra or extra-axial mass lesions.
The pituitary gland is normal.
The intracranial circulation is unremarkable.
The orbits, paranasal sinuses and mastoid air cells are clear. No bony abnormality is seen.
The craniocervical junction is normal.
Conclusion:
Partial fat-saturation of the known, small, lesion in the suprasellar cistern, in keeping with a small suprasellar (hypothalamic) osteolipoma.