A special form of endoscopy called endoscopic retrograde cholangiopancreaticography, or ERCP, allows pictures of the pancreas, gallbladder, and related structures to be taken. ERCP is also used for stent placement and biopsies. Endoscopic ultrasound or EUS combines upper endoscopy and ultrasound examination to obtain images and information about various parts of the digestive tract. Why Do I Need an Endoscopy? Doctors will often recommend endoscopy to evaluate: Stomach pain; Ulcers, gastritis, or difficulty swallowing
dys-. a combining form meaning âill,â âbad,â used esp. to form words denoting impaired or abnormal biological or mental processes: dyslexia; dysplasia. zer-, Old Norse tor-, Skt dus- ]. 1  Facebook.
Although the medical term-dysphagia-is known as a symptoms or sign in most medical criteria, it can and is sometimes used as a condition in its own right. The term  dysphagia  comes from the Greek root word dys which means difficulty or disordered, and phagia meaning to eat.