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Figure 2: Preoperative MRI. (a) T2, (b) Flair, (c) T1 without, (d) T1 with contrast and (e) GRE demonstrate a heterogenous left frontal mass with significant vasogenic edema, with minimal mass effect. Hemorrhage is demonstrated in (e) There is postcontrast enhancement of the mass. This “popcorn” like appearance is consistent with giant cavernous malformation. MRI: Magnetic resonance imaging

Figure 2: Preoperative MRI. (a) T2, (b) Flair, (c) T1 without, (d) T1 with contrast and (e) GRE demonstrate a heterogenous left frontal mass with significant vasogenic edema, with minimal mass effect. Hemorrhage is demonstrated in (e) There is postcontrast enhancement of the mass. This “popcorn” like appearance is consistent with giant cavernous malformation. MRI: Magnetic resonance imaging