• T H Teo, Y M Law, K H Tay, B S Tan, and F K Cheah.
• Department of Diagnostic Radiology, Singapore General Hospital, Singapore. thteo76@gmail.com
• Clin Radiol. 2009 May 1; 64 (5): 511-6.

AimTo review and describe the magnetic resonance imaging (MRI) features in patients with suspected placental invasion and correlate the findings with surgery and pathology findings.Materials And MethodsA retrospective review was undertaken of the MRI images of seven consecutive patients with ultrasound findings suspicious for placental invasion. Two experienced MRI radiologists, blinded to the pathology and surgery findings, reviewed the MRI. The pathology or surgical findings were used as the reference standard to establish accuracy and concordance with the MRI findings.ResultsThree MRI features described in an earlier series were consistently present in the patients with placental invasion: lower uterine bulging, heterogeneous placenta, and dark intraplacental linear bands on T2-weighted images.ConclusionMRI features, which were described in patients with placental invasion in an earlier series, were useful in establishing the presence and depth of placental invasion.

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