Clinical Study
Detection of Early Ischemic Changes in Noncontrast CT Head Improved with “Stroke Windows”
Table 1
Comparison of the number of detected EICs (
).
| EIC | Number of resident-detected EICsa | Number of staff radiologist-detected EICsb | Significance |
| Hyperdense MCA sign | 18 (36%) | 7 (14%) | | Hyperdense basilar sign | 1 (2%) | 0 (0%) | | Sulcal effacement | 7 (14%) | 0 (0%) | | Basil ganglia hypodensity | 7 (14%) | 2 (4%) | | Loss of grey-white differentiation | 10 (20%) | 2 (4%) | |
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EIC detected with author-established Stroke Window settings. EIC detected with standard windows settings.
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