Target sign (intussusception)

Last revised by Ian Bickle on 2 Oct 2022

Citation, DOI, disclosures and article data

Citation:

Gaillard F, Bickle I, Ashraf A, et al. Target sign (intussusception). Reference article, Radiopaedia.org (Accessed on 05 Dec 2023) https://doi.org/10.53347/rID-3906

DOI:

https://doi.org/10.53347/rID-3906

Permalink:

https://radiopaedia.org/articles/3906

rID:

3906

Article created:

23 Jun 2008, Frank Gaillard ◈

Disclosures:

At the time the article was created Frank Gaillard had no recorded disclosures.

View Frank Gaillard's current disclosures

Last revised:

2 Oct 2022, Ian Bickle ◉

Disclosures:

At the time the article was last revised Ian Bickle had the following disclosures:

4ways diagostics, I work for this out sourcing company during non NHS hours (ongoing)

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

View Ian Bickle's current disclosures

Revisions:

21 times, by 13 contributors - see full revision history and disclosures

Systems:

Gastrointestinal, Paediatrics

Sections:

Signs

Tags:

general surgery, refs

Synonyms:

Target sign of intussuception
Doughnut sign of intussusception
Donut sign (intussusception)
Bull’s eye sign (intussusception)

The target sign of intestinal intussusception, also known as the doughnut sign or bull's eye sign.

The appearance is generated by concentric alternating echogenic and hypoechoic bands. The echogenic bands are formed by mucosa and muscularis whereas the submucosa is responsible fo the hypoechoic bands.