Natural history of incidental world health organization grade II gliomas

Seizure is the presenting symptom in most of World Health Organization grade II gliomas (GIIGs). Rarely, a GIIG is discovered incidentally on imaging. Little is known about the natural course and prognosis of incidental GIIGs. The aim of the present study is to characterize their natural history and to investigate whether their clinical and radiological behaviors differ from those of symptomatic GIIGs.

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