Soft tissue mass in the left side of the clivus extending into the tip of the left petrous bone and the left cerebello- pontine angle. The lesion has a markedly prolonged T2, producing marked hyperintensity within it on T2 weighted scans. A separated section of the mass is in the left side of the pons and lower mid brain. This part of the lesion abuts the basilar artery anteriorly. Anteriorly the mass extends into the sphenoidal sinus and across the midline to the right. Contrast enhancement is relatively limited and heterogeneous.
Conclusion Appearance in keeping with large chordoma.