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MRI in the diagnosis and surgical management of abnormal placentation

Acta obstetricia et gynecologica Scandinavica, 2013-04, Vol.92 (4), p.392-397 [Peer Reviewed Journal]

2012 The Authors © 2012 Nordic Federation of Societies of Obstetrics and Gynecology ;2012 The Authors Acta Obstetricia et Gynecologica Scandinavica © 2012 Nordic Federation of Societies of Obstetrics and Gynecology. ;2012 The Authors Acta Obstetricia et Gynecologica Scandinavica © 2012 Nordic Federation of Societies of Obstetrics and Gynecology ;ISSN: 0001-6349 ;EISSN: 1600-0412 ;DOI: 10.1111/j.1600-0412.2012.01527.x ;PMID: 22881062 ;CODEN: AOGSAE

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  • Title:
    MRI in the diagnosis and surgical management of abnormal placentation
  • Author: PALACIOS-JARAQUEMADA, JOSÉ MIGUEL ; BRUNO, CLAUDIO HERNÁN ; MARTÍN, EDUARDO
  • Subjects: abnormal invasive placenta ; Adult ; Blood Loss, Surgical - prevention & control ; Cesarean Section ; Female ; Follow-Up Studies ; Humans ; Hysterectomy ; Magnetic Resonance Imaging ; NMR ; Nuclear magnetic resonance ; Placenta ; placenta accreta ; Placenta Accreta - diagnosis ; Placenta Accreta - diagnostic imaging ; Placenta Accreta - surgery ; placenta increta ; Pregnancy ; Pregnancy Outcome ; Prenatal Diagnosis ; Retrospective Studies ; Severity of Illness Index ; Ultrasonic imaging ; Ultrasonography ; Young Adult
  • Is Part Of: Acta obstetricia et gynecologica Scandinavica, 2013-04, Vol.92 (4), p.392-397
  • Description: Objective. To determine the usefulness of placental magnetic resonance imaging (MRI) in the diagnosis and surgical management of abnormal placentation. Design. Retrospective follow‐up. Setting. Buenos Aires, Argentina. Population. 547 pregnant women. Methods. In all cases, a direct and reliable description of abnormal placentation features was obtained by the operating surgeon. Placental MRI was analyzed according to: (1) primary description, (2) invasion topography, (3) modification required to the surgical tactics or techniques and (4) by positive and negative predictive values. Main outcome measures. Ultrasound and MRI findings were compared with surgical results, which were considered a final diagnosis in relation to primary diagnostic indications. Results. Placental MRI was obtained because of diagnostic doubt in 78 cases, for deep invasion diagnosis in 148 cases and to define the invasion area in 346 cases. Placental MRI allowed accurate demarcation and assessment of the degree of placental invasion, parametrial involvement and cervico‐trigonal vascular hyperplasia, permitting changes in the surgical tactical approach. Ultrasound and MRI differences were associated with placenta previa, uterine scar thinning and use of different criteria for placental invasion through definitions or terminology. Six cases of false‐negative and 11 of false‐positive findings were reported. Conclusion. Placental MRI provides excellent characterization of the degree and extension of placental invasion. Its usefulness in cases of adherent placentation is directly associated to the therapeutic measures, especially where dissection maneuvers are needed. Diagnostic differences between ultrasound and MRI related to the presence or not of placenta previa and uterine scar thinning.
  • Publisher: Oxford, UK: Blackwell Publishing Ltd
  • Language: English;French;German
  • Identifier: ISSN: 0001-6349
    EISSN: 1600-0412
    DOI: 10.1111/j.1600-0412.2012.01527.x
    PMID: 22881062
    CODEN: AOGSAE
  • Source: Journals@Ovid Open Access Journal Collection Rolling
    MEDLINE
    Alma/SFX Local Collection

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