Serial MR Imaging in Suprasellar Xanthogranuloma: Growth Pattern and New Lesions.

Xanthogranuloma is a rare lesion of the sellar-suprasellar region. We describe a case of suprasellar xanthogranuloma in whom serial MRI revealed features that have not been previously described—development of dural tail, vascular encasement and intra-axial lesions in posterior fossa.