GI Topics & Glossary - Topics J-P

Magnetic Resonance imaging of the bowel.

A tube placed through a nasal passageway into the stomach.

Percutaneous endoscopic gastrostomy (PEG) is widely used as a minimally invasive means of providing enteral nutrition to those who cannot eat. The procedure also allows for the decompression of the upper gastrointestinal (GI) tract via the stomach.

Endoscopic procedure for the palliation of achalasia and other swallowing disorders.

Non-invasive diagnostic technique for visualizing the pancreatic ducts and bile ducts without the use of injected contrast media or x-ray. MRI scans provide excellent sensitivity for duct dilatation, biliary stricture, and intraductal abnormalities. (MeSH/PubMed)

An RBC nuclear scan uses small amounts of radioactive material to mark (tag) red blood cells (RBCs). Your body is then scanned to see the cells and track how they move through the body. (NLM) Image from "Essentials of Radiology", Pages 115-156 2014.