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  Indian J Med Microbiol
 

Figure 2: Right internal carotid artery (ICA) injection antero-posterior view (a) and lateral view (b) showing occlusion of the right supraclinoid ICA with fetal posterior cerebral artery; few pial collaterals noted from branches of the posterior cerebral artery. (c) Left ICA injection antero-posterior view showing narrowing of the left supraclinoid ICA; flow is noted across anterior communicating artery, leading to opacification of the right anterior and middle cerebral arteries (attenuated)

Figure 2: Right internal carotid artery (ICA) injection antero-posterior view (a) and lateral view (b) showing occlusion of the right supraclinoid ICA with fetal posterior cerebral artery; few pial collaterals noted from branches of the posterior cerebral artery. (c) Left ICA injection antero-posterior view showing narrowing of the left supraclinoid ICA; flow is noted across anterior communicating artery, leading to opacification of the right anterior and middle cerebral arteries (attenuated)