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Medline ® Abstract for Reference 97

of 'Pregnancy in women with uterine leiomyomas (fibroids)'

97
TI
Placenta accreta: evaluation with color Doppler US, power Doppler US, and MR imaging.
AU
Levine D, Hulka CA, Ludmir J, Li W, Edelman RR
SO
Radiology. 1997;205(3):773.
 
PURPOSE: To determine the value of transabdominal ultrasound (US), transvaginal US, color Doppler US, power Doppler US, and magnetic resonance (MR) imaging in the diagnosis of placenta accreta.
MATERIALS AND METHODS: Nineteen patients in the third trimester of pregnancy who were at risk for placenta accreta underwent color Doppler and power Doppler US; 18 patients also underwent MR imaging. Images were interpreted prospectively for signs of accreta by two reviewers. The reviewers' confidence in their diagnosis was graded on a five-point scale.
RESULTS: Outcomes at delivery were as follows: normal placenta (n = 11), hysterectomy owing to uncontrollable bleeding (n = 1), and placenta accreta (n = 7). Five cases of lower-uterine-segment placenta accreta were diagnosed with a high level of confidence with vaginal and power Doppler US. In one patient with a posterior placenta who had previously undergone myomectomy, MR imaging enabled the diagnosis of placenta accreta, which was not well depicted at US.
CONCLUSION: In patientswith a history of uterine scars, vaginal US with power Doppler US performed well in the evaluation of lower-uterine-segment placenta accreta. MR imaging depicts posterior placenta accreta.
AD
Department of Radiology, Beth Israel Deaconess Medical Center, Boston, MA 02215, USA.
PMID