What is the primary use of the EUS procedure?

The primary use of the Endoscopic Ultrasound (EUS) procedure is to enhance imaging of the digestive tract. This technique combines endoscopy and ultrasound to produce detailed images of the digestive tract and surrounding tissues. By using high-frequency sound waves, EUS can provide valuable information about organs such as the esophagus, stomach, pancreas, and surrounding lymph nodes.

This advanced imaging capability is particularly beneficial in diagnosing conditions such as cancers, pancreatitis, or cysts, and allows for precise staging of tumors. EUS is also beneficial for evaluating abnormalities or masses that may not be easily visualized with conventional imaging techniques. The combination of endoscopy and ultrasound provides a unique and comprehensive view that aids in both diagnosis and treatment planning, making it a vital tool in oncology and gastroenterology.

In contrast, other options like obtaining blood samples, conducting surgical procedures, or administering medication do not align with the primary function of EUS. These activities rely on different medical techniques or interventions that serve distinct purposes outside the imaging capabilities of EUS.