PROGNOSTIC SIGNIFICANCE OF MRI IN DIAGNOSING DIFFERENT TYPES OF PLACENTA INCRETA


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Abstract

Objective. To estimate the diagnostic value of different MRI signs in determining the extent of placental invasion. Subjects and methods. This retrospective cohort study enrolled 32 patients with morphologically verified diagnosis of placenta increta. All the cases were divided into three groups according to the histological findings of the extent of placental invasion: 1) placenta accreta (n=10); 2) placenta increta (n=20); 3) placenta percreta (n=2). Results. Central placenta previa was 8.5 times more common in patients with placenta increta. While marginal previa was more characteristic of placenta accreta (p=0.015). Other clinical and anamnestic parameters showed no impact on the extent of placental invasion. Multiple lacunae prevailed 9 times more frequently in placenta increta while more than 1-2 lacunae were detected in placenta accreta. Dark bands are also a more characteristic sign for deeper placental invasion (p=0.04). Conclusion. The investigation showed a link between the form of abnormal placentation and placental invasion. Multiple lacunae and dark bands are significant MRI markers for the diagnosis of placenta increta.

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About the authors

A. A VINITSKY

Email: drvinitskiy@gmail.com
Postgraduate student of maternity departments, National Medical Research Center of Obstetrics, Gynecology, and Perinatology, Ministry of Health of Russia. Moscow 117997, Ac. Oparina str. 4, Russia

E. A KULABUKHOVA

Email: mri-Elena@yandex.ru
MD, PhD, radiologist of the radiation diagnostics department, National Medical Research Center of Obstetrics, Gynecology, and Perinatology, Ministry of Health of Russia Moscow 117997, Ac. Oparina str. 4, Russia

V. G BYCHENKO

Email: v_bychenko@oparina4.ru
MD, PhD, head of the radiation diagnostics department, National Medical Research Center of Obstetrics, Gynecology, and Perinatology, Ministry of Health of Russia Moscow 117997, Ac. Oparina str. 4, Russia

R. G SHMAKOV

Email: r_shmakov@oparina4.ru
MD, PhD, the chief medical officer, National Medical Research Center of Obstetrics, Gynecology, and Perinatology, Ministry of Health of Russia. Moscow 117997, Ac. Oparina str. 4, Russia

L. S EZHOVA

Email: l_ezhova@oparina4.ru
MD, PhD, Senior researcher of morphological department, National Medical Research Center of Obstetrics, Gynecology, and Perinatology, Ministry of Health of Russia Moscow 117997, Ac. Oparina str. 4, Russia

P. V UCHEVATKINA

Email: kulpova@mail.ru
MD, radiologist of the radiation diagnostics department , National Medical Research Center of Obstetrics, Gynecology, and Perinatology, Ministry of Health of Russia. Moscow 117997, Ac. Oparina str. 4, Russia

M. M PIROGOVA

Email: pirogovamariya@gmail.com
Postgraduate student, National Medical Research Center of Obstetrics, Gynecology, and Perinatology, Ministry of Health of Russia. Moscow 117997, Ac. Oparina str. 4, Russia

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