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 ...

The diagnosis of an ultrasound-visualized mass can be based on several characteristics ... characterized by an internal echo pattern that is hypoechoic and homogeneous (Fig. 3).

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 ...