Macular edema is an eye condition that occurs when fluids builds up in the macula. Learn about symptoms of the condition, causes, treatment options, and more.

A liver ultrasound is quick, safe, painless, and relatively cheap. However, the definite diagnosis of your condition may require additional testing.

Learn how high-intensity focused ultrasound (HIFU) can help some men with prostate cancer avoid surgery or radiation.

Primary sclerosing cholangitis (PSC) affects the liver and bile ducts. Symptoms and treatment vary from person to person.

How can nonalcoholic steatohepatitis develop, and how is it best diagnosed?

LinkedIn Corp. co-founder Reid Hoffman is leading a $12 million funding round for Sanmai Technologies and joining the board of the startup, which aims to use ultrasound technology and artificial ...