swirl sign

noun

A finding in noncontrast computed tomography in which an area of low attenuation lies within an otherwise high-attenuation hematoma, indicating that the hematoma is still actively bleeding.

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Meanings

nounswirl sign (plural swirl signs)

plural swirl signs

  1. A finding in noncontrast computed tomography in which an area of low attenuation lies within an otherwise high-attenuation hematoma, indicating that the hematoma is still actively bleeding.
Cite this entry
APA

swirl sign. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/swirl%20sign

MLA

“swirl sign.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/swirl%20sign. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “swirl sign,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/swirl%20sign.

Source: swirl sign on Wiktionary, CC BY-SA 4.0.