PMC4338405_01
Diffusion-weighted imaging (a) and fluid-attenuated inversion recovery imaging (b) MRI of the patient, showing cytotoxic oedema in the right middle cerebral artery and anterior cerebral artery territories (plain arrows) and cSAH (discontinued arrow).
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fig1
Images compatible with a cSAH were localised to the cortical sulcus in the right superior frontal lobe (Figure 1).
Digital subtraction angiography with injection of the right internal carotid artery showing narrowing of the arteries of both carotid and vertebrobasilar circulations.
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fig2
Digital subtraction angiography performed on day 13 showed typical segmental vasoconstriction in the anterior and posterior circulation (Figure 2).