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Citation:
Niknejad M, Feger J, Coiled spring sign (bowel). Reference article, Radiopaedia.org (Accessed on 11 Oct 2024) https://radiopaedia.org/articles/194761
The coiled spring sign is a characteristic radiographic indicator on a contrast enema that strongly suggests the presence of intussusception. This sign results from a part of the intestine (intussusceptum) telescoping into an adjoining segment (intussuscipiens), causing obstruction and producing a distinct coiled or spring-like appearance on the imaging.
Clinical importance
It should be noted that a similar sign with a concentric ring appearance of the cecal mucosa on a contrast enema is a nonspecific radiographic finding associated with various conditions, including post-appendectomy stump inversion, and appendiceal intussusception due to mucoceles, appendiceal carcinoma, endometriosis, and acute appendicitis 1-5.
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1. Levine M, Trenkner S, Herlinger H, Mishkin J, Reynolds J. Coiled-Spring Sign of Appendiceal Intussusception. Radiology. 1985;155(1):41-4. doi:10.1148/radiology.155.1.3975417 - Pubmed
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2. Demos T & Flisak M. Coiled-Spring Sign of the Cecum in Acute Appendicitis. AJR Am J Roentgenol. 1986;146(1):45-8. doi:10.2214/ajr.146.1.45 - Pubmed
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3. Ogundoyin O, Olulana D, Lawal T. Childhood Intussusception: Impact of Delay in Presentation in a Developing Country. Afr J Paediatr Surg. 2016;13(4):166-9. doi:10.4103/0189-6725.194665 - Pubmed
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4. Leshchinskiy S & D’Agostino R. The Coiled Spring Sign of Appendiceal Intussusception. Abdom Radiol. 2018;43(9):2539-41. doi:10.1007/s00261-018-1506-3
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5. Chaar C, Wexelman B, Zuckerman K, Longo W. Intussusception of the Appendix: Comprehensive Review of the Literature. Am J Surg. 2009;198(1):122-8. doi:10.1016/j.amjsurg.2008.08.023 - Pubmed
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