Fig. 13From: Quantitative ultrasound imaging of soft biological tissues: a primer for radiologists and medical physicistsLocal attenuation map of a 55-year-old man with nonalcoholic fatty liver disease reporting a mean attenuation within the selected ROI of 0.75Â dB/cm/MHz, indicating a stage 1 to 3 liver steatosis. Reproduced with permission from [54]Back to article page