ABSTRACT
The proposed revisions to the diagnosis of personality disorders in ICD-11 move the diagnosis of personality disorders from the categorical to the dimensional. Although there may be a number of good reasons to consider changes in the manner in which we diagnose personality disorders, the method proposed here goes too far in the degree of changes that it proposes. It ignores the fact that at least for some of the personality disorders, there is data that supports them as distinct diagnostic entities separate from other axis I and axis II disorders. Eliminating the diagnostic categories that have been part of the established psychiatric nomenclature for the last 30 years threatens to undermine the significant research and clinical advances that have been made using categorical diagnoses. Copyright © 2011 John Wiley & Sons, Ltd.