reeling, sweeping, swirling, hopping, hoofing, careening, swinging. Their morphology is variable truly swirly (curvilinear, streaklike), rounded or branching 6. Synonyms: terpsichore, saltation, dancing. This can vary from isoattenuating to hypoattenuating to the adjacent brain 6. The swirl sign denotes one of more areas within, or in continuity with, the hematoma that are of lower attenuation than the surrounding/adjacent clot. The swirl sign is only one or many imaging features described in an attempt to predict hematoma growth, and in many instances, these signs overlap.įor example, the black hole sign is in many respects a swirl sign that is A) encapsulated by the hematoma and B) >28 HU lower in density than the surrounding hematoma 6. swirl of dust synonym, swirl of dust definition Thesaurus. In an intracerebral hemorrhage, the swirl sign is one of many predictors of hematoma expansion 5 (see intracerebral hemorrhage for further discussion). swirl of dust translation in English - English Reverso dictionary, see also swill,swivel. It is in some ways the corollary of the spot sign on CTA which represents the same phenomenon, but in that case, caused by extraluminal focal accumulation/pooling/extravasation of contrast 2,5. It represents unclotted fresh blood which is of lower attenuation than the clotted blood which surrounds it 1,5,6. that Van Gogh was using arrangement as a synonym for composition. The swirl sign refers to the non-contrast CT appearance of acute extravasation of blood into a hematoma, for example an intracerebral hemorrhage, extradural hematoma or subdural hematoma. The Starry Night (Dutch: De sterrennacht) is an oil-on-canvas painting by the Dutch.
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