Ruben Ramirez-Zegarra, Daniela Casati, Nicola Volpe, Mariano Lanna, Andrea Dall'asta, Annasole Chiarelli, Francesca Ormitti, Antonio Percesepe, Elisa Montaguti, Corinne Labadini, Ginevra Salsi, Elvira DI-Pasquo, Maria Paola Bonasoni, Edwin Quarello, Gianluigi Pilu, Giampaolo Grisolia, Andrea Righini, Tullio Ghi
BACKGROUND: Agenesis of the corpus callosum (ACC) is associated with several malformations of cortical development. Recently, features of focal cortical dysgyria have been described in fetuses with ACC. OBJECTIVES: To describe the "cortical invagination sign", a specific sonographic feature of focal cortical dysgyria, which is consistently seen at midtrimester axial brain ultrasound in fetuses with complete agenesis of the corpus callosum (ACC). STUDY DESIGN: Retrospective analysis of prospectively collected data from 2018 to 2021, including patients referred to five fetal medicine centers in the second trimester (19+0 - 22+0 weeks of gestation) with suspected complete ACC...
October 20, 2023: American journal of obstetrics & gynecology MFM