Summary
Book chapter(s) by Clare Rusbridge. Abstract: The terminology of Chiari malformation and syringomyelia is variable and at times controversial. Individual specialists can be quite dogmatic over which name or expression is correct. In this appendix the nomenclature and classification of syringomyelia and Chiari malformations is reviewed briefly and arguments for and against the various terms are presented. A more detailed historical review is given in Chap. 1.