Figure 1.

Patient imaging findings. (A) Patient #1 imaging findings at 3^rd recurrence. Axial T1-weighted MRI with gadolinium showing an enhancing nodule (arrow) along the anterior-superior margin of the previous left frontal resection cavity. (B) Patient #2 imaging at initial presentation. Left to right: Axial CT without contrast, Axial T2/FLAIR MRI, and Axial T1-weighted MRI with gadolinium. Lobular homogeneously enhancing mass with cystic component in the right frontotemporal region, with vasogenic edema, mass effect, midline shift, and intratumoral calcification (arrow). (C) Patient #3 imaging at initial presentation. Left to right, Axial T2/FLAIR MRI, and Axial T1-weighted MRI with gadolinium. Large heterogeneously enhancing left parieto-occipital mass with perilesional edema and midline shift.