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  Indian J Med Microbiol
 

Figure 1: (a) Computerized tomography scan showed subarachnoid hemorrhage in both Sylvian fissure and basal cistern. (b) Computerized tomography angiography showed left proximal M1 segment occlusion with faint distal filling. There is no definite aneurysmal sac in computerized tomography angiography. (c) Conventional angiogram revealed a moyamoya like a collateral network in occluded middle cerebral artery area. (d) Three-dimensional rotational angiogram revealed small aneurysm (suspected as pseudoaneurysm) in internal carotid artery bifurcation area. (e) On microcatheter angiogram, a small aneurysm located in collateral network was found. (f) Embolization with N-butyl cyanoacrylate was successful, and aneurysm was not visible in angiography

Figure 1: (a) Computerized tomography scan showed subarachnoid hemorrhage in both Sylvian fissure and basal cistern. (b) Computerized tomography angiography showed left proximal M1 segment occlusion with faint distal filling. There is no definite aneurysmal sac in computerized tomography angiography. (c) Conventional angiogram revealed a moyamoya like a collateral network in occluded middle cerebral artery area. (d) Three-dimensional rotational angiogram revealed small aneurysm (suspected as pseudoaneurysm) in internal carotid artery bifurcation area. (e) On microcatheter angiogram, a small aneurysm located in collateral network was found. (f) Embolization with N-butyl cyanoacrylate was successful, and aneurysm was not visible in angiography