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. 2022 Apr 5;4(1):e000267. doi: 10.1136/bmjno-2022-000267

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© Author(s) (or their employer(s)) 2022. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

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SSSI with and without parent artery stenosis in the MCA and BA perforator Territory. (A, B) SSSI (arrow) without disease of MCA. (C, D) SSSI (arrow) with MCA stenosis (arrow). (E, F) SSSI (arrow) without disease of BA (arrow). (G, H) SSSI (arrow) with BA stenosis (arrow). BA, basilar artery; MCA, middle cerebral artery; SSSI, small single subcortical infarction.