Arnold-Chiari II malformation with meningomyelocele.
D000328:Adult; D001139:Arnold-Chiari Malformation / Q000150:complications* / Q000175:diagnosis; D004200:Diseases in Twins; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008591:Meningomyelocele / Q000150:complications* / Q000175:diagnosis; D011247:Pregnancy; D011296:Prenatal Diagnosis; D014463:Ultrasonography