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Fig 3. Patient 13, a 64-year-old man presenting with HH grade I SAH and right occulomotor palsy.
A and B, MR imaging and angiography show dissecting fusiform P2 aneurysm with intramural thrombus.
C and D, Vertebral (C) and right internal carotid (D) angiogram after occlusion of the aneurysm including the parent PCA show good collateral supply to the occipital lobe through leptomeningeal collaterals.
E, MR imaging 6 weeks after PCA occlusion demonstrates no infarction in right PCA territory.
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