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Optic nerve glioma


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Optic nerve glioma

Elliot K. Fishman, MD
Director of Diagnostic Imaging and Body CT, Professor of Radiology and Radiological Science, Johns Hopkins
Karen M. Horton, MD
Professor and Interim Chair, Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins

These images show a 2 cm lobulated T1 hypointense, T2 FLAIR hyperintense mass in the suprasellar cistern with cystic and enhancing solid components. There is mild mass effect on the superior aspect of the pituitary and the infundibulum is displaced to the left. The optic chiasm is obliterated by the mass and there is enlargement of the prechiasmatic left optic nerve. This turned out to be optic nerve glioma in a patient with a history of NF-1. Without the optic nerve involvement in a young child, the differential considerations include craniopharyngioma or germ cell tumor.