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  • Title: Placenta percreta: methotrexate treatment and MRI findings.
    Author: Heiskanen N, Kröger J, Kainulainen S, Heinonen S.
    Journal: Am J Perinatol; 2008 Feb; 25(2):91-2. PubMed ID: 18176907.
    Abstract:
    Our patient was a 24-year-old gravida 2 para 0 woman. After delivery, placenta percreta was noticed. There was no postpartum hemorrhage, and the patient desired future pregnancies. Although placenta percreta is rare, its sequelae include potentially lethal hemorrhage and loss of reproduction function. Placenta percreta was confirmed histologically and with ultrasonography and magnetic resonance imaging (MRI). Placenta percreta was treated conservatively with methotrexate. On follow-up, MRI showed a small calcified transmural extension of the placenta throughout the uterus in the right fundal area. Color Doppler ultrasonography showed no blood flow in the corresponding area, and maternal serum human chorionic gonadotropin (hCG) was undetectable. Use of MRI is a new method to detect abnormal placentation, and it could be used on follow-up in selective cases with other follow-up modalities. However, it seems likely that conservative management to preserve future fertility remains a secured and reasonable alternative when a patient has no active bleeding.
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