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  • Ultrasound and MRI...

Ultrasound and MRI have comparable Diagnostic Accuracy for Placenta Accreta Spectrum Disorders: Study

Written By : Dr. Shravani Dali |Medically Reviewed By : Dr. Kamal Kant Kohli Published On 2025-06-08T21:00:10+05:30  |  Updated On 9 Jun 2025 10:48 AM IST
Ultrasound and MRI have comparable Diagnostic Accuracy for Placenta Accreta Spectrum Disorders: Study
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Researchers have found in a new study that Ultrasound and MRI show similar diagnostic accuracy for Placenta Accreta Spectrum (PAS) disorders. However, radiographic findings alone should not be relied upon for an independent diagnosis.

The purpose of this study is to conduct a complete analysis of the accuracy of ultrasound and MRI in detecting placenta accreta spectrum (PAS) disorders, as well as to investigate the accuracy of independent imaging findings in these diseases. Pubmed, Web of Science, Embase, The Cochrane Library, and Google Scholar databases were searched from their establishment to January 1, 2025. Included were all studies that used both ultrasonography and MRI to diagnose pregnant women with PAS disorder.

The ability of ultrasonography, MRI, and their independent features to diagnose PAS was evaluated using pooled sensitivity, specificity, diagnostic odds ratio (DOR), and receiver operating curves (ROC). Heterogeneity was calculated using Cochran Q and I2 statistics, and the sources of heterogeneity were investigated using meta-regression and subgroup analysis. Results: Following a series of rigorous assessments, the meta-analysis comprised 1989 pregnant women from 30 studies.

The sensitivity and specificity of ultrasonography for the diagnosis of PAS were 0.87 (95 % CI, 0.82-0.90) and 0.83 (95 % CI, 0.77-0.88), respectively, whereas the sensitivity and specificity of MRI for the same diagnostic were 0.87 (95 % CI, 0.82-0.90) and 0.84 (95 % CI, 0.80-0.88). Intraplacental lacunae has the best diagnostic accuracy of ultrasound, while placental bulge has the highest diagnostic accuracy of MRI, with their area under the curve (AUC) of the ROC being 0.76 (95 % CI, 0.72-0.79) and 0.89 (95 % CI, 0.85-0.91), respectively. The diagnostic accuracy of ultrasound and MRI for PAS was similar. However, radiographic findings should not be utilized to make an independent diagnosis of PAS disorders.

Reference:

Li C, Chen Y, Gao Y, Duan Y. Ultrasound versus magnetic resonance imaging features in diagnosing placenta accreta: A systematic review and meta-analysis. Eur J Radiol. 2025 Apr 10;187:112108. doi: 10.1016/j.ejrad.2025.112108. Epub ahead of print. PMID: 40252278.

UltrasoundMRIcomparableDiagnosticAccuracyPlacentaAccretaSpectrum DisordersStudyEuropean Journal of Radiology
Source : European Journal of Radiology
Dr. Shravani Dali
Dr. Shravani Dali

    Dr. Shravani Dali has completed her BDS from Pravara institute of medical sciences, loni. Following which she extensively worked in the healthcare sector for 2+ years. She has been actively involved in writing blogs in field of health and wellness. Currently she is pursuing her Masters of public health-health administration from Tata institute of social sciences. She can be contacted at editorial@medicaldialogues.in.

    Dr. Kamal Kant Kohli
    Dr. Kamal Kant Kohli

    Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751

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