what test is performed for appendicitis
Computerized tomography (CT) scan. In patients who are not pregnant, a CT scan (a type of X-ray study) of the area of the appendix is useful in diagnosing appendicitis and peri-appendiceal abscesses as well as in excluding other diseases inside the abdomen and pelvis that can mimic appendicitis.
Endoscopic retrograde cholangio-pancreatography (ERCP) is a diagnostic test to examine: 1  the duodenum (the first portion of the small intestine), 2  the papilla of Vater (a small nipple-like structure with openings leading to the bile ducts and the pancreatic duct), 3  the bile ducts, and.  the gallbladder and the pancreatic duct.