Dr Farkhanda Jabeen, Postgraduate Trainee, Pakistan Institute of Medical Sciences, Islamabad.

ABSTRACT

Objective: To assess the value of Ultrasound (USG) and magnetic resonance imagining (MRI) in the diagnosis and management of abnormal placentation in women with placenta previa antenatally and comparison with per-operative findings.
Study Design: Prospective study
Place and Duration: Department of Radiology, Pakistan Institute of medical Sciences (PIMS), between January 1, 2014 and May 31, 2015
Methodology: Fifty pregnant women presenting with placenta praevia who were examined in the Department of Radiology, Pakistan Institute of medical Sciences (PIMS). The results of MRI and USG in abnormal placentation were compared with post-operative data. The patients’ files were reviewed for assessment of operative findings. The results of our statistical analysis were compared with data from the literature.
Results: USG and MRI showed no significant difference in sensitivity and specificity in diagnosing abnormal placentation (74–79% and 79–84%, respectively). MRI was more sensitive than USG for the detection of myometrial invasion and the type of abnormal placentation. Post-partum surgical complications and prolonged hospital stay were more common in the cases of placenta praevia with abnormal placentation, however statistically insignificant.
Conclusions: USG and MRI are accurate imaging modalities for diagnosing abnormal placentation. MRI was more sensitive for the detection of the degree of placental invasion. The patient’s morbidity increased in cases with abnormal placentation. There was a significant difference in post-operative complications.
Keywords: Magnetic resonance imaging, Placenta accreta, Placenta disease, Placenta praevia, Placentation, ultrasonography, Doppler.

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