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Abdominal MRI showed a nodular shadow with equal signal on T1-weighted images (A), a long signal on T2-weighted images (B), and high signal intensity on DWI (C). Enhanced MRI scan showed that the partial perfusion of the left kidney was slighted reduced in arterial phase (D), while no obvious abnormalities were observed in both portal phase and delayed phase (E, F). DWI = diffusion-weighted images, MRI = magnetic resonance imaging.
