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;

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Idiopathic retinal vasculitis, aneurysms, and neuroretinitis (IRVAN). Case report and literature review Daniela Giraldo Ochoa; Silvia Caballero Mojica; John Camilo Hernández Foronda; Miguel Cuevas Peláez; Martha Lucia Muñoz Cardona;