what is a linear eus used for
The endoscope (flexible tube) for endoscopic ultrasound (EUS) has a small ultrasound scanner at the tip. The test is commonly performed with sedation. There are two kinds of EUS â radial and linear.A radial EUS is performed for diagnostic reason whereas a linear EUS may be done for both diagnostic and therapeutic reasons.he test is commonly performed with sedation. There are two kinds of EUS â radial and linear. A radial EUS is performed for diagnostic reason whereas a linear EUS may be done for both diagnostic and therapeutic reasons.