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Trapped on the "whirl": diagnostic sign on emergency CT.
Emerg Radiol 2010; 17(2):139-47ER

Abstract

The "whirl sign" is an uncommon finding on emergency CT. However, it is easy to overlook if not kept in mind. Its recognition is of capital importance, being most of its causes potentially lethal. Surgical treatment is also mandatory when signs of complication are found. The whirl sign is usually found associated to midgut, cecal and sigmoid volvulus, small-bowel volvulus and closed-loop obstructions, and post-surgical mesenteric windows (including retroanastomotic hernias). CT is an optimal imaging technique to depict the so-called sign and associated CT features suggesting complication (circumferential wall thickening, pneumatosis intestinalis, pneumoperitoneum, mesenteric fat stranding, free intraperitoneal fluid, mesenteric haziness). Radiologists must be able to recognize the whirl sign and seek associated findings that strongly support the diagnosis of a spectrum of entities, some of them lethal if no treatment is established.

Authors+Show Affiliations

Radiology Department, Hospital Universitario La Paz, P de la Castellana, 261, Madrid, 28046, Spain. vsuarezvega@gmail.comNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

19415355

Citation

Suárez Vega, Víctor Manuel, et al. "Trapped On the "whirl": Diagnostic Sign On Emergency CT." Emergency Radiology, vol. 17, no. 2, 2010, pp. 139-47.
Suárez Vega VM, Martí de Gracia M, Verón Sánchez A, et al. Trapped on the "whirl": diagnostic sign on emergency CT. Emerg Radiol. 2010;17(2):139-47.
Suárez Vega, V. M., Martí de Gracia, M., Verón Sánchez, A., Alonso Gamarra, E., & Garzón Moll, G. (2010). Trapped on the "whirl": diagnostic sign on emergency CT. Emergency Radiology, 17(2), pp. 139-47. doi:10.1007/s10140-009-0816-8.
Suárez Vega VM, et al. Trapped On the "whirl": Diagnostic Sign On Emergency CT. Emerg Radiol. 2010;17(2):139-47. PubMed PMID: 19415355.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Trapped on the "whirl": diagnostic sign on emergency CT. AU - Suárez Vega,Víctor Manuel, AU - Martí de Gracia,Milagros, AU - Verón Sánchez,Ana, AU - Alonso Gamarra,Eduardo, AU - Garzón Moll,Gonzalo, Y1 - 2009/05/05/ PY - 2009/02/15/received PY - 2009/04/15/accepted PY - 2009/5/6/entrez PY - 2009/5/6/pubmed PY - 2010/4/30/medline SP - 139 EP - 47 JF - Emergency radiology JO - Emerg Radiol VL - 17 IS - 2 N2 - The "whirl sign" is an uncommon finding on emergency CT. However, it is easy to overlook if not kept in mind. Its recognition is of capital importance, being most of its causes potentially lethal. Surgical treatment is also mandatory when signs of complication are found. The whirl sign is usually found associated to midgut, cecal and sigmoid volvulus, small-bowel volvulus and closed-loop obstructions, and post-surgical mesenteric windows (including retroanastomotic hernias). CT is an optimal imaging technique to depict the so-called sign and associated CT features suggesting complication (circumferential wall thickening, pneumatosis intestinalis, pneumoperitoneum, mesenteric fat stranding, free intraperitoneal fluid, mesenteric haziness). Radiologists must be able to recognize the whirl sign and seek associated findings that strongly support the diagnosis of a spectrum of entities, some of them lethal if no treatment is established. SN - 1438-1435 UR - https://www.unboundmedicine.com/medline/citation/19415355/Trapped_on_the_"whirl":_diagnostic_sign_on_emergency_CT_ L2 - https://dx.doi.org/10.1007/s10140-009-0816-8 DB - PRIME DP - Unbound Medicine ER -