Response to rituximab of pseudotumoral digital nodules in a patient with granulomatosis with polyangiitis with alpha‐1 antitrypsin deficiency: A case report. Issue 4 (15th June 2020) - Aitmehdi, Raphaël; Moguelet, Philippe; Godot, Sophie; Chazerain, Pascal; Senet, Patricia; Barbaud, Annick; Frances, Camille; Chasset, François