Concordance between prenatal ultrasound and autopsy findings in a tertiary center


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Abstract

ObjectiveThe aim of this study was to evaluate the ultrasound (US)/autopsy concordance in elective termination of pregnancies (TOP) due to fetal causes.MethodsWe performed a retrospective evaluation of elective TOP from 2004 to 2012. Inclusion criteria were gestational age at termination <24 weeks, fetal pathology and availability of US/autopsy data. Based on the US–autopsy concordance, cases were divided into four groups: Group 1: agreement; Group 2: autopsy confirmed all US findings but provided additional information; Group 3: autopsy didn't confirm all US findings; Group 4: disagreement.ResultsOne hundred and fifty-one patients fulfilled the inclusion criteria during the study period. Central nervous system malformations (91.5%), cardiovascular anomalies (90.2%) and renal system malformations (91.3%) were confirmed by autopsy. We found less concordance in the abdominal and musculoskeletal anomalies (61.5% and 66.7%, respectively). There were 130 (86%) fetuses in group 1, 7 in group 2 (4.6%), 3 in group 3 (1.9%) and 11 in group 4 (7.2%). In 5.29% of cases, the autopsy added relevant information to the diagnosis and counselling.ConclusionsDiagnosis concordance between US and necropsy is achieved in almost 90% of cases. An autopsy may help to adjust the diagnosis and help in counselling the parents for a future pregnancy. © 2014 John Wiley & Sons, Ltd.What's already known about this topic?Systematic and critical evaluation of all cases of elective TOP by autopsy is the gold standard for quality control and assessment of the accuracy of prenatal diagnosis.What does this study add?A correlation close to 90% between US and autopsy finding is possible. Teamwork, experience and skilled examiners are necessary to achieve this goal.

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