In children being evaluated for acute appendicitis, the absence of certain sonographic signs might allow expectant management for those at low or intermediate risk, even if the appendix is not seen.

In an attempt to limit radiation exposure from CT in the evaluation of abdominal pain, many centers have adopted an "ultrasound first, followed by CT if needed" approach. CT is typically used when the ...

What Is a Liver Ultrasound? A liver ultrasound is a type of abdominal ultrasound, an imaging test that uses high-frequency sound waves to create pictures of the organs and structures in your abdomen, ...

A liver ultrasound is a noninvasive test that produces images of a person’s liver and its blood vessels. A liver ultrasound can help diagnose various conditions that affect the liver, such as fatty ...