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 ...

(b) Targeted transverse US image shows a circumscribed hypoechoic mass (arrow), a probably benign finding (Breast Imaging Reporting and Data System category 3). The patient preferred biopsy to ...

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 ...

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 ...