The main objective is to identify specific risk factors for ANCA vasculitis of occupational and/or environmental origin (exposures identified by questioning, geographical distribution of cases) from the RNV3P data. The secondary objectives are as follows: * Description of cases of ANCA vasculitis seen in French occupational pathology consultation centres: * reasons for consultation, * occupational and environmental etiologies described * occupational situations responsible * aptitude notices * recognition as an occupational disease * Identification of specific risk factors for ANCA vasculitis of occupational and/or environmental origin (exposures identified on questioning, geographical distribution of cases). * For occupational and non-occupational cases of ANCA vasculitis: identification of difficulties encountered by patients at work and proposed work adaptations. * Estimation of the number of applications for recognition of disabled worker status made within this patient group. * Identification of clinical severity and autoimmune profiles of ANCA vasculitis of occupational and/or environmental origin.
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Number of diagnoses of ANCA vasculitis in the RNV3P
Timeframe: 4 months