Nomenclature of Cutaneous Vasculitis

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Abstract
Objective: To prepare a dermatologic addendum to the 2012 revised International Chapel Hill Consensus Conference Nomenclature of Vasculitides (CHCC2012) to address vasculitides affecting the skin (D‐CHCC). The goal was to standardize the names and definitions for cutaneous vasculitis.Methods: A nominal group technique with a facilitator was used to reach consensus on the D‐CHCCnomenclature, using multiple face‐to‐face meetings, e‐mail discussions, and teleconferences.Results: Standardized names, definitions, and descriptions were adopted for cutaneous components of systemic vasculitides (e.g., cutaneous IgA vasculitis as a component of systemic IgA vasculitis), skin‐limited variants of systemic vasculitides (e.g., skin‐limited IgA vasculitis, drug‐induced skin‐limited antineutrophil cytoplasmic antibody–associated vasculitis), and cutaneous single‐organ vasculitides that have no systemic counterparts (e.g., nodular vasculitis). Cutaneous vasculitides that were not included in theCHCC2012 nomenclature were introduced.Conclusion: Standardized names and definitions are a prerequisite for developing validated classification and diagnostic criteria for cutaneous vasculitis. Accurate identification of specifically defined variants of systemic and skin‐limited vasculitides requires knowledgeable integration of data from clinical, laboratory, and pathologic studies. This proposed nomenclature of vasculitides affecting the skin, the D‐CHCC, provides a standard framework both for clinicians and for investigators.
Funding Information
  • European Academy of Dermatology and Verneology (2014-028: project on nomenclature and diagnos)