title: In reply.
authors.affiliation: Recep Tayyip Erdogan University, Medicine Faculty, Rize, Turkey. Electronic address: selim_kayaci@hotmail.com.
authors.forename: Selim
authors.initials: S
authors.lastname: Kayaci
mesh_terms: D001933:Brain Stem / Q000033:anatomy & histology*; D002531:Cerebellum / Q000033:anatomy & histology*; D002536:Cerebral Arteries / Q000033:anatomy & histology*; D020546:Fourth Ventricle / Q000033:anatomy & histology*; D006801:Humans; D008866:Microsurgery / Q000379:methods*; D019635:Neurosurgical Procedures / Q000379:methods*