An ultrasound is a diagnostic test that has many uses, from diagnosing serious illnesses to determining a baby's sex. Ultrasounds are often used on the skin's surface, but sometimes the tool is inserted through a natural opening in the body. For example, an ultrasound tool may be inserted into the esophagus to take pictures of the heart. Ultrasounds can also be used on the cranium and bones, and can be done in 3D or 4D. Follow the links below to find WebMD's comprehensive coverage about how ultrasounds are performed, why they are used, what to expect during an ultrasound, and much more.
What Is an Endobronchial Ultrasound?
An endobronchial ultrasound can help diagnose lung cancer, infections, and inflammation. Learn what to expect if your doctor recommends this procedure.
Breast Ultrasound and Breast Cancer
WebMD looks at the use of breast ultrasound in detecting and treating breast cancer.
Digestive Problems and Ultrasound Testing
WebMD explains how ultrasound is used to diagnose digestive diseases.
Types of Ultrasounds
WebMD describes what happens during an ultrasound, what types of ultrasounds are used, and more.