The characterizing features of Posterior reversible encephalopathy syndrome (PRES) are broad and diverse, making early recognition and diagnosis challenging tasks. To illustrate the heterogeneous nature of PRES, we present three cases and discuss their clinical and radiological presentation. K E Y W O R D S carboplatin, cytotoxic edema, hypertension, Miller Fisher syndrome, paclitaxel, posterior reversible encephalopathy, posterior reversible encephalopathy syndrome, seizure, vasogenic edema