title: Letter to the editor.
authors.affiliation: Southern medical university, Department of Neurosurgery, Nanfang hospital, Guangzhou, China. Electronic address: drsilkypranit@gmail.com.
authors.forename: Silky
authors.initials: S
authors.lastname: Chotai
authors.affiliation: Southern medical university, Department of Neurosurgery, Nanfang hospital, Guangzhou, China.
authors.forename: Songtao
authors.initials: S
authors.lastname: Qi
authors.affiliation: Southern medical university, Department of Neurosurgery, Nanfang hospital, Guangzhou, China.
authors.forename: Shuxiang
authors.initials: S
authors.lastname: Xu
mesh_terms: D001933:Brain Stem / Q000601:surgery*; D020785:Central Nervous System Vascular Malformations / Q000601:surgery*; D005260:Female; D006801:Humans; D008297:Male; D019635:Neurosurgical Procedures / Q000379:methods*