title: Positional headache and syncope associated with a pseudomeningocele.
mesh_terms: D000293:Adolescent; D005260:Female; D006261:Headache / Q000209:etiology*; D006801:Humans; D008588:Meningocele / Q000150:complications*; D011187:Posture; D013575:Syncope / Q000209:etiology*