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Resumen Aunque las vasculitis asociadas a ANCA tienen manifestaciones clinicas diversas, la afeccion valvular es infrecuente, especialmente en el contexto de una poliangeitis microscopica. Reportamos el caso de una mujer de 38 anos con vasculitis ANCA con caracteristicas clinicas de poliangeitis microscopica y anticuerpos anti-mieloperoxidasa positivos (MPO), que presento una masa vegetante en la valvula mitral que resolvio con inmunosupresion.

Although antineutrophil cytoplasmic antibody (ANCA) vasculitis has a variety of clinical manifestations, valvular compromise is not common, especially in anti-myeloperoxidase (anti-MPO) antibody (perinuclear [P]-ANCA) vasculitis. We report the case of a 38-year-old woman with ANCA-associated vasculitis who was diagnosed with valve vegetation, that resolved with immunosuppressive therapy.