Case Presentation: A 45 year-old Hispanic-female was admitted from ophthalmology clinic to the internal medicine ward for 3 week history of left-sided blurry vision, diplopia, opthalmoplegia, ptosis, peri-orbital pain, occipital headaches, impaired V1 and V2 facial sensation, and intermittent ear pain. Her medical history was pertinent for rheumatoid arthritis on immunosuppression and poorly controlled type [...]