Gastric outlet obstruction

Last revised by Craig Hacking on 20 Nov 2023

Citation, DOI, disclosures and article data

Citation:

Bickle I, Hacking C, Niknejad M, et al. Gastric outlet obstruction. Reference article, Radiopaedia.org (Accessed on 18 Apr 2024) https://doi.org/10.53347/rID-21691

DOI:

https://doi.org/10.53347/rID-21691

Permalink:

https://radiopaedia.org/articles/21691

rID:

21691

Article created:

11 Feb 2013, Ian Bickle ◉

Disclosures:

At the time the article was created Ian Bickle had no recorded disclosures.

View Ian Bickle's current disclosures

Last revised:

20 Nov 2023, Craig Hacking ◉ ◈

Disclosures:

At the time the article was last revised Craig Hacking had the following disclosures:

Philips Australia, Paid speaker at Philips Spectral CT events (ongoing)

These were assessed during peer review and were determined to not be relevant to the changes that were made.

View Craig Hacking's current disclosures

Revisions:

26 times, by 15 contributors - see full revision history and disclosures

Systems:

Gastrointestinal

Sections:

Gamuts

Tags:

rewrite

Synonyms:

Pyloric obstruction
Obstruction of the gastric outlet
Gastric outflow obstruction
Gastric outlet obstruction (GOO)

Gastric outlet obstruction, also known as pyloric obstruction, occurs when a disease or condition blocks the normal emptying of the stomach.

Pathology

Etiology

Gastric outlet obstruction can be due to malignant or benign causes.

Malignant

adenocarcinoma (second most common ⁴)
GIST
lymphoma (less common than other malignancies as it is a "soft" tumor ¹)
metastases

Benign

duodenal or gastric peptic ulcers (most common ^3,4)
pancreatic pseudocysts
gastric varices
granulomatous disease, e.g. Crohn disease, sarcoidosis, tuberculosis
gallstones (Bouveret syndrome): rare
strictures, e.g. from caustic substance ingestion
gastric antral web
gastric volvulus ⁵
Rapunzel syndrome
migrated medical devices

References

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