[Bone malformations of the craniocervical region presenting orthostatic hypotension and syncope--report of two cases].
D002574:Cervical Vertebrae / Q000002:abnormalities*; D005260:Female; D006801:Humans; D007024:Hypotension, Orthostatic / Q000209:etiology*; D008297:Male; D008875:Middle Aged; D009777:Occipital Bone / Q000002:abnormalities*; D013575:Syncope / Q000209:etiology*