Objective Anomalous neurological development associated with congenital heart disease (CHD) has been reported as early as third trimester of fetal development. While several studies have characterized variations in CHD neurodevelopmental outcomes in early childhood, these reports are often confounded by postnatal factors such as surgical outcome. Recent studies have focused on the comparing neurological variations between fetuses with CHD and normal controls. In this work, we present a comparison of in utero variations in brain development between fetuses with different types of CHD, by analyzing them under categories of single ventricle versus biventricular cardiac anatomy. Methods Using recent advances in fetal magnetic resonance imaging (MRI), we quantify the volumetric trajectories of various brain tissues (such as cortical plate, developing white matter, cerebrospinal fluid [CSF], and cerebellum). Results Our study is the first to differentiate between intraventricular and extra‐axial CSF thereby allowing us to better identify variations in brain composition of the fetuses. Conclusions Overall, our findings show that while total brain volume is similar between fetuses with single and biventricular anatomy, they exhibit statistically significant disparity in brain composition.

Background: We seek to evaluate the difference in recurrence patterns and survival among stage IIIC high-grade endometrial cancer treated with surgery followed by adjuvant chemotherapy alone, radiation therapy alone, or both (chemoradiation). Methods: A multicenter retrospective analysis of surgically staged IIIC HGEC receiving adjuvant therapy was conducted. HGEC was defined as grade 3 endometrioid adenocarcinoma, serous, clear cell and carcinosarcoma. Differences in the frequency of recurrence sites and treatment delays were identified using Pearson’s χ2 test. Progression-free survival (PFS) and overall survival (OS) were calculated using Kaplan–Meier estimates. Results: A total of 155 patients were evaluable: 41.9% carcinosarcoma, 36.8% serous, 17.4% grade 3 and 3.9% clear cell. Of these, 67.1% received chemoradiation, 25.8% received chemotherapy and 7.1% received radiation therapy. There was no difference in the frequency of treatment delays between regimens (p = 0.571). There was a trend towards greater retroperitoneal recurrence with chemotherapy (25.9%) versus chemoradiation (8.4%) and radiation therapy (7.7%) (p = 0.252). Grade 3 tumors had improved progression-free and overall survival (26 and 42 months, respectively) versus serous (17 and 30 months, respectively), carcinosarcoma (14 and 24 months, respectively) and clear cell (24 and 30 months respectively) (p = 0.002, p < 0.001). Overall, chemoradiation was superior to chemotherapy and radiation therapy in PFS (p < 0.001) and OS (p < 0.001). Upon multivariate analysis, only histology and receipt of chemoradiation were independent predictors of survival. Conclusion: The majority of stage IIIC high-grade endometrial carcinomas recurred. Chemoradiation was associated with improved survival and less retroperitoneal recurrence. Grade 3 tumors demonstrated improved survival versus other histologies regardless of adjuvant treatment modality.

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