Multicentric Castleman's disease in kidney transplant: A case report and literature review Carlos Santos-Alonso; Marco-Antonio Vaca Gallardo; Marta Ferreira Bermejo; María Ovidia López-Oliva; Sara Afonso Ramos; Elena González García; Juan Cristóbal Santacruz Mancheno; Eugenia García Fernández; Nerea Ibarra Soraluce; Carlos Jiménez Martín;

Congenital porto-systemic shunt: An uncommon cause of membranoproliferative glomerulonephritis Carlos Santos-Alonso; Begoña Rivas; Cristina Vega-Cabrera; Carmen Busca Arenzana; Laura Yébenes Gregorio; Marina Alonso Riaño; Eugenia García Fernández; M. Auxiliadora Bajo Rubio;

Renal involvement in primary Sjögren's syndrome: Beyond tubulointerstitial nephritis Óscar Porto Fuentes; Javier González Cepeda; Cristina Vega Cabrera; José Manuel Martín de Bustamante; Ángel Robles Marhuenda; Jorge Álvarez Troncoso; Elena Martínez Robles; Ana Noblejas Mozo; Juan José Ríos Blanco; Eugenia García Fernández; Clara Itzíar Soto Abánades;