From immunosuppression to autoimmunity: PR3 ANCA-associated vasculitis in a patient immunosuppressed for hepatic transplant. A case report Oscar Vicente Vergara Serpa; Carlos Jaime Velásquez; Luis Fernando Pinto; Neil Smith Pertuz Charris; Andrés Felipe Echeverri García; Alejandro Cardona Palacio; Javier Darío Márquez Hernández;

Factors associated with development of end stage renal disease during hospitalization in patients with microscopic polyangiitis and granulomatosis with polyangiitis in a population of northwestern Colombia Santiago Cobaleda Cano; Andrés Felipe Echeverri García; Adriana Margarita Trejos Tenorio; Javier Darío Márquez Hernández; Jhon Edwar García Rueda; Luis Fernando Pinto Peñaranda;

Granulomatosis with polyangiitis and skin ulcers mimicking pyoderma gangrenosum: A case report of a diagnostic challenge Linda Navarrete-Motta; Onaldo-José Barrios; Sebastián Gil-Tamayo; Daniela Saaibi; Juan M. Gutiérrez; Daniel G. Fernández-Ávila; Santiago Bernal-Macías; Jorge L. Rodríguez; María-Claudia Díaz;