Legend Noncontrast T2- and T1-weighted sequences demonstrate a large, lobulated mass that partially-encases the internal carotid and basilar arteries, as well as the sellar contents. The mass demonstrates hyperintense T2 and hypointense T1 signal.

Legend Postcontrast, fat-suppressed sequences demonstrates mild heterogeneous enhancement of the lobulated mass centered on the clivus. The pituitary gland is elevated superiorly. Noncontrast CT demonstrates a hypodense mass eroding the central skull base without definite chondroid or osseous matrix. Key words: mri tumor neoplasia

Brain & ENT Diagnosis: Chondroid chordoma

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