Ultrasound of the breast is used predominately to differentiate cysts from solid masses. Cystic lesions are overwhelmingly benign in nature. Ultrasound has been found to be extremely accurate in ...

Hypoechoic thrombi were categorized as "acute" (< 2 weeks old). Hyperechoic thrombi were considered older than 2 weeks and categorized as "chronic." When thrombi contained both hyper- and ...