Target sign (intussusception)
Last revised by Calum Worsley on 25 Jan 2024
Citation, DOI, disclosures and article data
Citation:
Gaillard F, Worsley C, Bickle I, et al. Target sign (intussusception). Reference article, Radiopaedia.org (Accessed on 19 Apr 2024) https://doi.org/10.53347/rID-3906
rID:
3906
Article created:
Disclosures:
At the time the article was created Frank Gaillard had no recorded disclosures.
View Frank Gaillard's current disclosures
Last revised:
25 Jan 2024,
Calum Worsley ◉
Disclosures:
At the time the article was last revised Calum Worsley had no financial relationships to ineligible companies to disclose.
View Calum Worsley's current disclosures
Revisions:
22 times, by
14 contributors -
see full revision history and disclosures
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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 the serosa and submucosa either side of the hypoechoic muscularis propria 1.
See also
Quiz questions
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References
- 1. Del-Pozo G, Albillos JC, Tejedor D. Intussusception: US findings with pathologic correlation-the crescent-in-doughnut sign. Radiology. 1996;199 (3): 688-92. Radiology (abstract) - Pubmed citation
- 2. Roche CJ, O'Keeffe DP, Lee WK et-al. Selections from the buffet of food signs in radiology. Radiographics. 2002;22 (6): 1369-84. Radiographics (full text) - doi:10.1148/rg.226025521 - Pubmed citation
Incoming Links
Articles:
- Point-of-care ultrasound (curriculum)
- Intussusception (summary)
- Intussusception
- Doughnut sign (disambiguation)
- Transient intussusception
- Gut signature sign
- Vegetable and plant inspired signs
- Appendiceal intussusception
- Pseudokidney sign (intussusception)
- Crescent in a doughnut sign (intestinal intussusception)
Cases:
- Intussusception
- Intussusception
- Target sign of intussusception
- Colonic intussusception due to sigmoid lipoma
- Colocolic intussusception
- Colocolic intussusception due to mucinous carcinoma of the colon
- Paediatric intussusception
- Intussusception (ultrasound)
- Malignant intussusception
- Intussusception
- Enteroenteric intussusception
- Intussusception - paediatric
- Subhepatic appendicitis
- Small bowel loop lipoma with intussusception
- Colonic intussusception - colonic lipoma
- Intussusception - colocolic
- Ileocecal intussusception
- Intussusception
- Intussusception
- Intestinal intussusception
Multiple choice questions:
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