Enhancing liver diffusion-weighted imaging quality with correlation-weighted averaging: notable benefits in the left hepatic lobe

Diffusion-weighted imaging (DWI) is an essential sequence in liver MRI for detecting abdominal lesions and differentiating benign from malignant ones using apparent diffusion coefficient (ADC) values [1–4]. Echo-planar imaging (EPI) is the most commonly used sequence for DWI because its rapid readout makes it relatively robust against motion. However, it has inherent limitations, including a low signal-to-noise ratio (SNR) and susceptibility to signal loss caused by phase dispersion [5].

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