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. 2025 Sep 8;16:1546919. doi: 10.3389/fendo.2025.1546919

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Copyright © 2025 Yu, Gu, Hu and Yang.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Several medical images are displayed: A, F are CT scans showing brain structure. B, D, G are MRI scans with various contrasts highlighting different brain tissues. C is an MRI with water content contrast. E is an MR angiogram depicting blood vessels. H is a graph showing spectroscopic analysis with peaks labeled for different metabolites. — Case 7. (A) Brain CT showed no significant abnormalities in basal ganglia. (B) Brain MR T1 image revealed hyperintensity in the bilateral putamen. (C) Brain MR T2 image revealed hypointensity in the bilateral putamen. (D) The SWI sequence showed scattered asymmetric slightly low signals in the bilateral putamen and the head of the caudate. (E) Brain MRA revealed atherosclerosis of the intracranial arteries, with poor visualization of the posterior circulation system. (F) Brain CT perfusion raw images suggested that the bilateral vessels were essentially symmetric. (G, H) Brain MRI spectroscopy did not reveal abnormalities in the bilateral basal ganglia region.