A 54-year-old man of Afro-Caribbean ancestry presented with a 2-month history of nonproductive cough, 10-day history of constant subjective fevers, and a 1-day history of bilateral cheek swelling. He was a nonsmoker and had no environmental exposure. He had a remote history of right-sided monocular vision loss 2 years prior, successfully treated empirically with corticosteroids. Examination revealed warm skin,...