ArticleTherapeutic advances in neurological disorders2026
The "fidget spinner" sign in cardioembolic bilateral medial medullary infarction: an imaging clue to proximal anterior spinal artery occlusion.
Article in Therapeutic advances in neurological disorders, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Bilateral medial medullary infarction is a rare and clinically severe form of brainstem stroke. A patient presented with acute neurological deficits, and diffusion-weighted imaging revealed a distinctive pattern resembling a "fidget spinner." CT angiography demonstrated marked asymmetry of the vertebral arteries, with hypoplasia of the right vertebral artery. A review of 97 previously reported cases confirmed the exceptional rarity of cardioembolic etiology in this condition. In this context, the present case represents an uncommon coexistence of a rare anatomical pattern and a rare vascular mechanism. These findings suggest that infarct morphology on diffusion-weighted imaging may reflect underlying vascular anatomy and the level of arterial involvement in bilateral medial medullary infarction.
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