Fluid-Attenuated Inversion Recovery Hyperintense Vessels Due to Septic Shock

Abstract

Hyperintense vessels on fluid-attenuated inversion recovery magnetic resonance imaging (FLAIR MRI) are commonly observed in acute ischemic stroke, especially when accompanied by large vessel stenosis or occlusion. A 41-year-old man presented with cellulitis and enterocolitis. Despite extensive antibiotic therapy, his condition rapidly deteriorated to septic shock. FLAIR MRI showed hyperintense vessel sign in the bilateral intracranial vessels. Septic shock seems to provoke the development of FLAIR hyperintense vessels.