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Citation:
Bell D, Goel A, Subinsular bright spots. Reference article, Radiopaedia.org (Accessed on 17 Feb 2025) https://doi.org/10.53347/rID-6655
Subinsular bright spots are actually no more than multiple small perivascular spaces located between the insular cortex and the claustrum (within the extreme capsule), following the perforating vessels that arise from the branches of the MCA.
They are extremely frequent (80-100% of patients) 1 and are increasingly noted with better MRI imaging. They are round or elliptical (66%) or linear in shape 1.
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1. Song CJ, Kim JH, Kier EL et-al. MR imaging and histologic features of subinsular bright spots on T2-weighted MR images: Virchow-Robin spaces of the extreme capsule and insular cortex. Radiology. 2000;214 (3): 671-7. doi:10.1148/radiology.214.3.r00mr17671 - Pubmed citation
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