29th October 2020

A 70-year-old woman develops monocular loss of visual acuity in her right eye

A 70-year-old woman develops monocular loss of visual acuity in her right eye. She mentions that she has pain around her temple but is otherwise well. She is diagnosed clinically with giant cell arteritis (GCA), which is later confirmed with a temporal artery ultrasound. She is prescribed oral prednisone. Why?

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