Table 1

 Correlation between ultrasound performed after day 4 and magnetic resonance imaging (MRI) findings

Ultrasound findingsMRI findings
Main branchCortical branchLenticulostriate
* Infarction and haemorrhage.
MCA, Middle cerebral artery; ACA, anterior cerebral artery; PCA, posterior cerebral artery.
Normal (n  =  6)42
Focal (typical wedge shape) (n  =  13)751
Focal non-typical (n  =  15)3111
Basal ganglia/thalami* (n  =  7)24+1*
Bilateral echodensity (n  =  6)6