case_images: PMC11097695_01
case_images: Brain magnetic resonance imaging 3 days post onset of neurological symptoms. (A) Diffusion-weighted imaging; (B) Apparent diffusion coefficient; and (C) Fluid attenuated inversion recovery.
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case_images: However, subsequent brain magnetic resonance imaging (MRI) on day 3 of admission identified restricted diffusion in the hand knob of the right pre- and post-central gyri on diffusion-weighted imaging (DWI) and reduced apparent diffusion coefficient (ADC) sequences (Figure 1).
case_images: Magnetic resonance venogram (MRV) performed post-gadolinium enhancement demonstrating (A) patent left subclavian vein with arms down and (B) complete occlusion of the left subclavian vein with arms abducted.
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case_images: Contrast-enhanced MRI of the neck revealed dynamic bilateral compression of the subclavian veins with arms raised (Figure 2), and a thrombus present in the left brachial vein.