The value of specific MRI features in the evaluation of suspected placental invasion by Lax A et al in Magn Reson Imaging 2007 Jan;25(1):87-93. Epub 2006 Nov 14 points out that MRI can be a useful adjunct to ultrasound in diagnosing placenta accreta prenatally. Three features that are seen on MRI in patients with placental invasion appear to be useful for diagnosis: uterine bulging; heterogeneous signal intensity within the placenta; and the presence of dark intraplacental bands on T2W imaging.
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