Radionuclide gastric emptying imaging

Scintigraphic gastric emptying has the advantages of simplicity, noninvasion, reproducibility, and accordance with physiological status and precision in locating. It has an important value in the etiological investigation of alimentary tract disease and gastrointestinal functional study, and has been considered to the gold standard for gastric emptying measurement. In this review, new techniques and new opinions on the methodology of radionuclide gastric emptying measurement, standardization of radiolabelled test meal, definition of ROI and factors influencing on the results were evaluated according to our clinical work or experience and literatures.