Tl-weighted axial gadolinium-enhanced MRI demonstrates an enhancing tumor of the right frontal lobe. The most likely diagnosis is
(D) Glioblastoma multiforme# On MRI, the tumors appear as ring-enhancing masses with central necrosis and surrounding edema.> Glioblastoma multiforme (GBM; malignant glioma) is the highest-grade form of astrocytoma and makes up about two thirds of all brain astrocytomas.> Prognosis for this tumor is at the extreme worst end because of its high-grade status.
Oligodendroglioma
Ependymoma
PCNSL
Glioblastoma multiforme
Miscellaneous