الفهرس 
Placenta accreta spectrumOnly 14 pages are availabe for public view
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Abstract
Seventy eight pregnant women with persistent placenta previa totalis (after 28 weeks’gestation) were prospectively enrolled into this study.Gray-scale transabdominal ultrasound examination was performed to detect loss of the subendometrial echolucent zone and other abnormalities suggestive of placental invasion. 3D MSV Doppler was used to scan the whole placenta to detect any newly Numerous vessels invading the uterine serosa-bladder interface and the presence of abnormal lacunae.. The ultrasound findings were analyzed with reference to histopathological result.
.Results:
Placenta accreta and its variants (including increta and percreta) were confirmed in 39 by pathological result. based on ROC curve of 3D MSV Doppler criteria. Diagnostic value is excellent (area under ROC curve [AUC] = 0.961).when we used 2 or more criteria(sensitivity = 87%, specificity = 96%., accuracy = 91%) the characteristics analysis, ‘disruption of the serosa bladder interface ’visualized using 3D MSV Doppler was the best single criterion for the diagnosis of placenta accreta, with a sensitivity of 95% and a specificity of 96%. then 3D MSV Doppler would have the best positive predictive value (96%).
Conclusion: 3D MSV Doppler was an accurate test for detection of placenta accrete spectrum..
Abbreviations: PAS: Placenta accreta spectrum, 3D: Three-dimensional, 2D: Two-dimensional, MSV: Multislice view, ROI: Region of interest, ROC: Receiver-operating characteristic, AUC: Area under the curve, CS: Caesarian section, , MRI: Magnetic resonance imaging, PPV: Positive predictive value, NPP: Negative predictive value, AIP: Abnormal invasive placenta, MAP: Morbidly adherent placenta