Diagnosing Gastrointestinal Diseases: 7 Techniques | Medical Science
There has been a revolution in investigative procedure during recent years with the availability of ultrasound imaging, computed tomography, radioisotope scanning, percutaneous transhepatic cholangiography (PTC), upper gastrointestinal endoscopy using flexible fiber optic endoscopes, colonoscopy and retrograde endoscopic pancreatic cholangiography (ERPC). Majority of these procedures are atraumatic. Most of them are, however, expensive and demand sophisticated technology and are not freely [...]