Frequency of positive ANCA test in a population with clinical symptoms suggestive of autoimmune disease and the interference of ANA in its interpretation Consuelo Romero-Sánchez; Mario Benavides-Solarte; Isabel Galindo-Ibáñez; Ana Isabel Ospina-Caicedo; Viviana Parra-Izquierdo; Lorena Chila-Moreno; Amanda Villa; María Consuelo Casas-Gómez; Ignacio Angarita; Wilson Bautista-Molano; Verónica Romero-Álvarez; Juan Manuel Bello-Gualtero;

Granulomatosis with poliangiitis mimicking testicular torsion Laura Aizpiri Antoñana; José Luis Bauzá Quetglas; Elena Prados Pérez; Karel López Brito; Priscila Benito García; Enrique Carmelo Pieras Ayala;

Laboratory Diagnosis of ANCA-Associated Vasculitis (AAV) Using a Combination of Immunofluorescence Test (IIFT) and Line Immunoassay (LIA): Single-Centre Report From India Rajni Chauhan; Dharmendra Jain; Aseem Kumar Tiwari; Pranav Dorwal; Vimarsh Raina; Shoma Paul Nandi;