Hypoechoic masses tend to be hypovascular ... This patient proved to have diffuse metastatic renal cell carcinoma. Ultrasound of the liver shows a fluid-filled mass with a peripheral thin rim ...

Color Doppler flow, although not useful for the differential diagnosis of other adnexal masses, can further characterize ... A round-shaped homogeneous hypoechoic 'tissue' of low-level echoes ...

Objective Ultrasound (US) imaging has revealed distinct types of greyscale abnormalities in the patellar and Achilles tendons, including diffusely thickened tendons and tendons containing a hypoechoic ...