Ultrasound mammography: effects of focal zone placement.
In order to avoid serious pitfalls in the diagnosis of breast masses by sonography, it is important to understand the effects of technical factors such as focal zone placement and time gain compensation.
D001940:Breast / Q000473:pathology*; D001941:Breast Diseases / Q000175:diagnosis*; D001943:Breast Neoplasms / Q000175:diagnosis; D005260:Female; D006801:Humans; D014463:Ultrasonography / Q000379:methods*