Open AccessTiming of Occurrence Is the Most Important Characteristic of Spot Sign
Author(s) -
Binli Wang,
Shenqiang Yan,
Mengjun Xu,
Sheng Zhang,
Keqin Liu,
Haitao Hu,
Magdy Selim,
Min Lou
Publication year - 2016
Publication title -
stroke
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.397
H-Index - 319
eISSN - 1524-4628
pISSN - 0039-2499
DOI - 10.1161/strokeaha.116.012697
Subject(s) - medicine , sign (mathematics) , mathematics , mathematical analysis
Most previous studies have used single-phase computed tomographic angiography to detect the spot sign, a marker for hematoma expansion (HE) in spontaneous intracerebral hemorrhage. We investigated whether defining the spot sign based on timing on perfusion computed tomography (CTP) would improve its specificity for predicting HE.
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