Edema de papila y obstrucción de arteria y vena central de la retina como manifestación inicial de una recaída leucémica

Optic nerve infiltration may appear as an isolated sign of a leukemia relapse, even before a hematological relapse occurs. Leukemic optic neuropathy is a critical sign, not only for vision, but also for life, and radiotherapy should be immediately performed before irreversible optic nerve damage occurs.