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Case report highlights diagnostic challenges in mechanical thrombectomy for ICA occlusion with AMCA, suggesting careful evaluation for rare variants.
Objective: The accessory middle cerebral artery (AMCA) is a relatively rare normal variant of the middle cerebral artery (MCA). Mechanical thrombectomy (MT) for internal carotid artery (ICA) occlusion with AMCA is very rare, and the initial diagnosis can be difficult. We illustrate a case of ICA occlusion with AMCA in which delayed diagnosis led to delayed MT.
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Hiramatsu et al. (2026) studied this question.
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