What Is An Ultrasound and Should I Have It Done?

Question: What is an ultrasound and should I have it done? Answer: An ultrasound is a test where sound waves are passed through tissue. Ultrasounds are very helpful in breast disease when we're trying to determine whether a mass that we may see on either physical exam or in a mammogram, to determine whether or not it is a cyst -- which is usually benign -- or a solid, which usually involves further workup.Next: What Tests Show If My Breast Cancer Has Spread? Previous: Besides Mammograms, What...Full Story