Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA) 1) Is visual loss caused by AION? Definition: acute ischemic disorder of the optic nerve caused by inflammation and thrombosis of short posterior ciliary arteries • Sudden painless vision vision in patients older than 50 years • Visual field: altitudinal defect • Fundoscopy: optic disc swelling with splinter hemorrhages • Fluorescein angiography: papillary hypofluorescence 2) Typical symptoms of GCA? Clinical manifestations • Cephalic symptoms • Constitutional symptoms • Polymyalgia rheumatica (PMR) • Increased ESR and/or CRP Temporal Doppler US : halo sign PET/CT: aortitis/PMR Dramatic efficacy of GCs Abnormal TAB By Dr. Simon Parreau @ParreauS #AnteriorIschemicOpticNeuropathy #AION #GiantCellArteritis #GCA #Rheumatology #Ophthalmology #Diagnosis #Algorithm
