Progression of a ganglioglioma WHO grade II into a malignant glioma. Report of two cases and review of the literature

K. Franz, E. Hattingen & V. Seifert
Objective: Gangliogliomas (GG) are rare tumors of the central nervous system mostly presenting with a biphasic differentiation pattern with glial and neuronal cell elements. Seizures are the most frequent symptom. The tumors are predominantly located in the temporal lobe (79%), more rarely in the[for full text, please go to the a.m. URL]