Tuncay YÜCE, Feride SÖYLEMEZ, Erkan KALAFAT, Batuhan ASLAN, Esra ÖZKAVUKÇU, Acar KOÇ

Interobserver Reproducibility of Intracranial Anatomy Assessment During Second Trimester Sonographic Scan

To evaluate the reproducibility of mid-trimester intracranial anatomy assessment. Women undergoing mid-trimester scan (between 18th to 25th gestational weeks) for fetal anatomy assessment were included in the study. Measurements of lateral ventricle (LV), cisterna magna (CM) and transverse cerebellar diameter (TCD) were obtained for reproducibility analyses. Inter-observer reproducibility analysis was made with correlation coefficients. A total of 162 women were included in the analysis while one woman was excluded from the study due to diagnosis of vermian agenesis. Correlation coefficient (CC) of cisterna magna measurements have shown weak to moderate interclass correlation (r=0.28, P=0.001). Measurements of lateral ventricle have shown moderate to strong interclass correlation (r=0.73, P

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