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Figure 2: A 7-year-old boy presented with intracranial hemorrhage; (a) the computed tomographic scan showed an intracerebral hematoma in the left frontal lobe; (b) magnetic resonance imaging showed the superficial location of the arteriovenous malformation (AVM), with enhancement on postgadolinium T1-weighted imaging; (c) left carotid artery angiogram, lateral view, showed the frontal AVM; (d) superselective angiogram using a marathon microcatheter (ev3, Irvine, Calif); (e) fluoroscopic image showed Onyx-18 (ev3, Irvine, Calif) in the nidus; (f) post embolization left carotid artery angiogram, lateral view, showed partial embolization of the AVM; (g) The 20 month follow-up angiogram, left carotid artery injection, lateral view, showed disappearance of the AVM

Figure 2: A 7-year-old boy presented with intracranial hemorrhage; (a) the computed tomographic scan showed an intracerebral hematoma in the left frontal lobe; (b) magnetic resonance imaging showed the superficial location of the arteriovenous malformation (AVM), with enhancement on postgadolinium T1-weighted imaging; (c) left carotid artery angiogram, lateral view, showed the frontal AVM; (d) superselective angiogram using a marathon microcatheter (ev3, Irvine, Calif); (e) fluoroscopic image showed Onyx-18 (ev3, Irvine, Calif) in the nidus; (f) post embolization left carotid artery angiogram, lateral view, showed partial embolization of the AVM; (g) The 20 month follow-up angiogram, left carotid artery injection, lateral view, showed disappearance of the AVM