Subject(s)

Brain Stem/injuries , Foreign Bodies/surgery , Head Injuries, Penetrating/surgery , Adult , Angiography, Digital Subtraction , Brain Stem/pathology , Brain Stem/surgery , Cerebral Angiography , Foreign Bodies/diagnosis , Head Injuries, Penetrating/diagnosis , Humans , Image Processing, Computer-Assisted , Magnetic Resonance Imaging , Male , Postoperative Complications/diagnosis , Postoperative Complications/etiology , Postoperative Complications/surgery , Reoperation , Tomography, X-Ray Computed