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Figure 1: Lateral (a) and frontal (b) projections of the angiogram showing the nidus of the arteriovenous malformations in the left cerebellar hemisphere (arrows) supplied by the left posterior inferior cerebellar artery (PICA). (c) Lateral subtracted view with microcatheter in the PICA with injection showing extravasation of contrast (arrows). (d) Dyna computed tomography (CT) immediately after the microcatheter injection showing the cerebellar hematoma. (e) Post-operative CT showing evacuation of the hematoma. (f and g) Post-operative lateral (f) and frontal (g) projections showing non-visualization of the nidus. (h) The retrieved microcatheter

Figure 1: Lateral (a) and frontal (b) projections of the angiogram showing the nidus of the arteriovenous malformations in the left cerebellar hemisphere (arrows) supplied by the left posterior inferior cerebellar artery (PICA). (c) Lateral subtracted view with microcatheter in the PICA with injection showing extravasation of contrast (arrows). (d) Dyna computed tomography (CT) immediately after the microcatheter injection showing the cerebellar hematoma. (e) Post-operative CT showing evacuation of the hematoma. (f and g) Post-operative lateral (f) and frontal (g) projections showing non-visualization of the nidus. (h) The retrieved microcatheter