Cytomegalovirus infection and Henoch-Schönlein purpura in the elderly as a complication and disease perpetuating factor. Case report Esteban Vanegas Duarte;

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;

Small vessel vasculitis, different renal outcomes in pediatric patients. Case reports Jessica María Forero-Delgadillo; Daniela Cleves; Vanessa Ochoa; Carlos Jiménez; Lyna Ramírez; Juanita Mena; Ricardo Benavides; Hernando Londoño; Anuar Rengifo; Jaime Manuel Restrepo;