Answer to the case of the week # 515
February 27, 2020 - March 12, 2020
1. Department of Radiology, Aydin Gynecology and Pediatrics Hospital ,Aydin, Turkey.
A healthy 30-year-old gravida was referred for second level ultrasound scan at 20 weeks of gestation.
Previous personal, familial and obstetrical history was non relevant.
Following images revealed an enlarged-white cerebellum and vermian agnesis. A MRI was done at 20 weeks of pregnancy. The confirmed diagnosis was rhombencephalosynapsis
Images 1-3; video 1: 2D images of the fetal head in transverse view absent vermis, echogenic cerebellum without normal clefting between the cerebellar hemispheres, single-lobed cerebellum.