Gastric emptying scan
|Gastric emptying scan|
Example gastric emptying images
|Synonyms||Gastric emptying scintigraphy|
A gastric emptying scan is a nuclear medicine study which provides an assessment of the stomach's ability to empty. It may be used if there are complications after gastric surgery, for gastric reflux, or suspected gastroparesis amongst other indications. Scintigraphy that uses gamma cameras to create two-dimensional images is generally regarded as the gold standard for gastric emptying.
Having fasted for around four hours before the scan, the patient is given a solid or semi-solid meal, such as scrambled eggs on toast or porridge, which has been prepared with a radiopharmaceutical component. Typically technetium-99m DTPA is used. Some studies may also involve a liquid component, which is labelled with indium-111 DTPA. Images are acquired with a gamma camera, initially dynamically and then at intervals for up to 2-3 hours.
- "Gastric Emptying Guideline" (PDF). BNMS. March 2015.
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- Masaoka, Tatsuhiro; Tack, Jan (30 September 2009). "Gastroparesis: Current Concepts and Management". Gut and Liver. 3 (3): 166–173. doi:10.5009/gnl.2009.3.3.166. PMC 2852706.
- Donohoe, K. J.; Maurer, A. H.; Ziessman, H. A.; Urbain, J.-L. C.; Royal, H. D.; Martin-Comin, J. (19 August 2009). "Procedure Guideline for Adult Solid-Meal Gastric-Emptying Study 3.0". Journal of Nuclear Medicine Technology. 37 (3): 196–200. doi:10.2967/jnmt.109.067843. PMID 19692450.
- Seok, Ju Won (30 April 2011). "How to Interpret Gastric Emptying Scintigraphy". Journal of Neurogastroenterology and Motility. 17 (2): 189–191. doi:10.5056/jnm.2011.17.2.189. PMC 3093013.