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Introduction: It has been shown that a proper comparison of prenatal ultrasound and magnetic resonance imaging (MRI) is possible only in the case of a short interval between tests. However, it is worth noting that the reference test is a postnatal examination. The aim of our study was to evaluate the effect of time between prenatal MRI (pMRI) and postnatal examinations on the consistency of diagnoses., Material and Methods: The prospective observational study was carried out between 2014 and 2017 at the Department of Obstetrics and Perinatology of Krakow University Hospital. In total, 60 patients with fetuses suspected of central nervous system (CNS) defects were included in the study group. PMRI examinations were conducted in the third trimester of pregnancy., Results: The median gestational age of pMRI was 35 weeks and median of the time interval between carrying out pre- and postnatal test was 34.5 days. In the group of nonconcordant diagnoses, the interval was longer. The analysis did not show a statistically significant relationship between consistency of diagnoses and timing of pMRI. The median time of pregnancy at which pMRI was performed was similar in both groups. A prolongation of the interval between examinations reduced the probability of consistency of diagnoses., Conclusions: The number of inaccurate results increased with the prolongation of the interval between pre- and postnatal tests., Key Message: Prolongation of the interval between pre- and postnatal increases number of inaccurate results., Competing Interests: Declarations of competing interest None., (Copyright © 2020 European Paediatric Neurology Society. Published by Elsevier Ltd. All rights reserved.)

Objectives: 1) To analyze screening performance of second trimester scan for ACC, 2) to evaluate the agreement between ultrasound and MRI and 3) to compare prenatal and postnatal diagnosis., Methods: It was a prospective observational study. All patients with fetuses suspected of ACC were referred to prenatal MRI (pMRI)., Results: One subject was not confirmed by pMRI with the diagnosis of ACC. This case demonstrated partial ACC in neonatal MRI (nMRI)., Conclusion: Sensitivity of second trimester scan for callosal agenesis of 73% and specificity of 99%. Prenatal MRI and US has similar amount of misdiagnoses., (Copyright © 2017 Elsevier Inc. All rights reserved.)

Objectives: Cytomegalovirus (CMV) infection is a significant health concern affecting numerous expectant mothers across the globe. CMV is the leading cause of health problems and developmental delays among infected infants. Notably, this study examines CMV infection in pregnancy, its management, prevention mechanisms, and treatment options. Methods: Specifically, information from the Cochrane Library, PUBMED, Wiley Online, Science Direct, and Taylor Francis databases were reviewed along with additional records identified through the register, the Google Scholar search engine. Based on the search, 21 articles were identified for systematic review. Results: A total of six randomized controlled trials (RCTs) were utilized for a meta-analytic review. As heterogeneity was substantial, the random effects model was used for meta-analysis. Utilizing the random-effects model, the restricted maximum likelihood (REML) approach, the estimate of effect size (d = −0.479, 95% CI = −0.977 to 0.019, p = 0.060) suggests the results are not statistically significant, so it cannot be inferred that the prevention methods used were effective, despite an inverse relationship between treatment and number of infected cases. The findings indicated that several techniques are used to prevent, diagnose, and manage CMV infection during pregnancy, including proper hygiene, ultrasound examination (US), magnetic resonance imaging (MRI), amniocentesis, viremia, hyperimmunoglobulin (HIG), and valacyclovir (VACV). Conclusions: The current review has significant implications for addressing CMV infection in pregnancy. Specifically, it provides valuable findings on contemporary management interventions to prevent and treat CMV infection among expectant mothers. Therefore, it allows relevant stakeholders to address these critical health concerns and understand the effectiveness of the proposed prevention and treatment options. [ABSTRACT FROM AUTHOR]

Hemimegalencephaly (HME), or unilateral megalencephaly, is a rare congenital brain malformation defined as overgrowth of one cerebral hemisphere or part of it resulting from abnormal cortical development and neuronal migration. However, cortical developmental abnormalities are rarely diagnosed prenatally. This is the reason for our study, in which we describe and compare ultrasound and MRI findings in a fetus with HME. [ABSTRACT FROM AUTHOR]

Central nervous system (CNS) abnormalities cause about 40% of infant deaths in the first year of life. In case of the detection of abnormalities by ultrasound, a pregnant woman should be offered prenatal magnetic resonance imaging (pMRI). The aims of our study were: (1) to evaluate the effectiveness of pMRI in the diagnosis of selected fetal CNS defects; and (2) to assess the possibility of replacing postnatal tests with prenatal magnetic resonance. The prospective and observational study was conducted between 2014 and 2017 at the University Hospital in Krakow. Patients with suspected CNS defects of the fetus were qualified for pMRI in the third trimester of pregnancy. Sixty patients were included in the study group. Prenatal MRI was characterized by low accuracy in the diagnosis of complex brain defects. Cohen's kappa coefficient κ = 0.21 (95% CI 0.00–0.46). No evidence was found suggesting the replacement of postnatal tests with pMRI. MRI was characterized by low consistency of diagnoses in the case of complex brain defects. The possibility of replacing postnatal studies with pMRI was not supported. [ABSTRACT FROM AUTHOR]

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