https://www.selleckchem.com/pr....oducts/FK-506-(Tacro
She was started on IV methylprednisolone. Her vision improved dramatically with steroids, measuring 20/50 with correction in the right eye after 24 hours and returning to baseline after five days. An extensive workup including imaging, bloodwork, and biopsies led to a diagnosis of granulomatosis with polyangiitis, with PR3-positive ANCA. Ocular findings, including anterior ischemic optic neuropathy, may be the presenting signs for patients with granulomatosis with polyangiitis. Prompt recognition and treatment with high-dose