title: Letter by de Boysson and Pagnoux Regarding Article, "Diagnostic Yield and Safety of Brain Biopsy for Suspected Primary Central Nervous System Angiitis".
authors.affiliation: Department of Internal Medicine Caen University Hospital France.
authors.forename: Hubert
authors.initials: H
authors.lastname: de Boysson
authors.affiliation: Division of Rheumatology Vasculitis Clinic, Mount Sinai Hospital Toronto, Ontario, Canada.
authors.forename: Christian
authors.initials: C
authors.lastname: Pagnoux
mesh_terms: D001706:Biopsy; D001921:Brain; D006801:Humans; D020293:Vasculitis, Central Nervous System