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. 2026 Apr 9;17:1805920. doi: 10.3389/fphar.2026.1805920

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Copyright © 2026 Liu, Wang, Li and Li.

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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Panel A shows diffusion-weighted imaging (DWI) demonstrating a hyperintense lesion in the left frontal lobe. Panel B displays T1-weighted post-contrast image revealing ring enhancement. Panel C presents ADC(Apparent diffusion coefficient) map confirming restricted diffusion. Panel D illustrates coronal FLAIR sequence showing mass effect with midline shift. — Cranial magnetic resonance imaging demonstrating brain abscess. (A) Diffusion-weighted imaging showing a 47 × 31 × 43 mm hyperintense lesion in the left frontal lobe with restricted diffusion. (B) T1-weighted post-contrast image revealing peripheral ring enhancement (arrowheads) with surrounding edema. (C) Apparent diffusion coefficient map demonstrating hypointense signal, confirming restricted diffusion. (D) Coronal FLAIR sequence showing mass effect with 6 mm midline shift. MRI: 3.0 T; gadolinium 0.1 mmol/kg IV.