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Tectal glioma (pilocytic astrocytoma, BRAF duplication positive)

Tectal glioma (pilocytic astrocytoma, BRAF duplication positive)
Tectal glioma. Sagittal T2-weighted images at diagnosis (A) and after 10 months of observation (B) show a T2-hyperintense progressive tectal mass lesion (arrows) obstructing the aqueduct.
Courtesy of Matthias A Karajannis, MD, MS.
Graphic 120736 Version 1.0