Vascular malformations in the brainstem.
D001933:Brain Stem; D002533:Cerebral Angiography / Q000379:methods; D003937:Diagnosis, Differential; D006801:Humans; D002538:Intracranial Arteriovenous Malformations / Q000145:classification / Q000150:complications / Q000175:diagnosis; D008279:Magnetic Resonance Imaging; D014057:Tomography, X-Ray Computed / Q000379:methods