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Figure 2: (a-c) Axial magnetic resonance imaging demonstrating the frontal arteriovenous malformation surrounded by a low signal hemosiderin rim (a) T1-weighted with contrast enhancement. (b and c) T2-weighted). (d) Transverse T2-weighted magnetic resonance imaging demonstrating the pontine cavernoma. (e and f) Sagittal magnetic resonance imaging demonstrating both the frontal arteriovenous malformation and pontine cavernoma (arrow in e)

Figure 2:  (a-c) Axial magnetic resonance imaging demonstrating the frontal arteriovenous malformation surrounded by a low signal hemosiderin rim (a) T1-weighted with contrast enhancement. (b and c) T2-weighted). (d) Transverse T2-weighted magnetic resonance imaging demonstrating the pontine cavernoma. (e and f) Sagittal magnetic resonance imaging demonstrating both the frontal arteriovenous malformation and pontine cavernoma (arrow in e)