Not all cytokin storms are due to COVID-19: Hemophagotic syndrome with renal involvement secondary to extranasal lymphoma and Epstein-Barr virus. A case report during the pandemic Adonay Santana Quintana; Francisco Valga; Nicanor Vega Díaz; Juan Manuel Fernández; Juan Carlos Quevedo Reina; Marian Rincón Tirado; Sara Aladro Escribano; José Carlos Rodríguez Pérez;