Cutaneous polyarteritis nodosa: An atypical simulator. Report of 3 cases and a narrative review of the literature Juliana Ordoñez-Parra; Alejandro Castellanos-Angarita; María Alejandra Casas-Barrera; Julián Rondón-Carvajal; Isabel Cristina Cuéllar-Ríos;

Anti-TIF1¿-positive dermatomyositis with interstitial lung involvement: Report of two cases Pablo Arango Guerra; Santiago Monsalve Yepes; Andrés Chavarriaga Restrepo; Carlos Jaime Velásquez;

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;