Interventional Radiology Radiologist ; Dr. Salah M. Fateh
Radiology has provoked from providing purely diagnostic information to therapy , offering effective alternatives in the Rx of abdominal & thoracic & vascular disorders. In some instances I.R. techniques have replaced the conventional surgical approach, removing the need for G.A .
Those pt who are not suitable for ERCP , because of previous gastric surgery, difficulties with canulations of the ampula or a tight stricture that cannot be negotiated from below or where there is more proximal biliary obstruction ,in these patients, a percut. transhepatic approach is required. Dilated systems require drainage to reduce the risk of sepsis & relief jaundice.
Injection of liquid agents such as alcohol or acetic acid, heating the tumor by use of laser or radiofrequency probes and freezing the tumor by cryothrapy. Hepatomas are softer & spongier than metastases generally and are more amenable to injection.
Percut. creation of a communication bet. the portal & hepatic venous systems for the relief of portal hypertension. It is an alternative to surgery in patients with recurrent variceal bleeding who are resistant to sclerotherapy or endoscopic banding.