產(chǎn)前超聲與低場磁共振檢查在胎盤植入診斷中的價值
[Abstract]:Objective:To compare the value of prenatal Doppler ultrasonography and low field magnetic resonance imaging in the diagnosis of placenta implantation.Methods:A retrospective analysis was made of 58 cases of postpartum placenta implantation confirmed by clinical and/or pathological diagnosis in the Obstetrics Department of the Second Affiliated Hospital of Wenzhou Medical University from January 2006 to January 2014. The sensitivity and accuracy of Doppler ultrasonography and magnetic resonance imaging in the diagnosis of placenta accreta were analyzed. Results: Among 58 cases of placenta accreta, 31 cases were diagnosed by Doppler ultrasonography, and the coincidence rate was 53.4% (31/58). There was no significant difference in the diagnostic coincidence rate between the two methods (P 0.05). The diagnostic coincidence rate of the two methods was 82.8% (48/58). There was significant difference in the diagnostic coincidence rate between the three methods (P 0.05). The coincidence rate was 43.8% (14/32) in 14 cases and 57.1% (23/32) in 23 cases. The coincidence rate between the two methods was statistically significant (P 0.05). The coincidence rate was 48.3% (28/58) when there were multiple signs such as placental thickening and disappearance of the posterior space. When direct signs appeared on MRI, the diagnostic coincidence rate was 53.4% (31/58), while indirect signs only 13.8% (8/58), the difference was statistically significant (P 0.05). Conclusion: MRI is more accurate than Doppler ultrasound in the placenta located in the posterior wall of the uterus, and can be an important supplement to Doppler ultrasound. When there are many signs of Doppler ultrasound, the presence of placenta accreta should be considered when MRI appears direct signs.
【作者單位】: 溫州醫(yī)科大學(xué)附屬第二醫(yī)院;
【分類號】:R714.56;R445.1
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