Female, 39 years old, approximately 35 weeks gestational age, with ultrasound showing fetal ventricles at the upper limit of normal. Both lateral ventricular atria measure up to 10 mm in diameter which is the upper limit of normal. The third and fourth ventricles are not dilated. The cerebral aqueduct is well-visualized and patent. The corpus callosum is fully formed and intact. The cavum septum pellucidum is visualized. The cerebral hemispheres demonstrate a normal degree of gyration for gestational age. The brainstem and cerebellum are normally formed and intact. No evidence of any focal parenchymal lesion is seen. No abnormal extra-axial collections are suspected.
1.The atria of the lateral ventricles measure up to 10 mm in diameter which is the upper limit of normal. The third and fourth ventricles are within normal limits.2.The examination is otherwise within normal limits for gestational age.