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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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A series of eight brain scan images labeled A to H. Images A, B, and H depict axial CT scans showing ventricular structures. Image C and G are MRI scans highlighting the brain's cortical and subcortical areas. Image D shows a T2-weighted MRI with increased contrast in the ventricles. Image E is a gradient echo MRI revealing detailed brain structures. Image F displays an MRA showing cerebral blood vessels. — Case 2. (A) The initial Brain CT scan demonstrated a slightly higher density in the right putamen. (B) The second brain CT scan showed an increase in density in the right putamen compared to the first. (C) Brain MR T1 image demonstrated hyperintensity in the right putamen. (D) Brain MR T2 image revealed hypointensity in the right putamen. (E) The SWI sequence showed scattered slightly low signals in the bilateral basal ganglia. Compared to the left side, no significant low signals were observed in the right putamen. (F) Brain MRA revealed atherosclerosis of the intracranial arteries, with poor visualization of the distal middle cerebral artery. (G) During the second hospitalization, brain T1 image showed a decreased hyperintensity of the right putamen. (H) Brain CT also found that the high density in the right putamen has decreased compared to the first one.