Case Presentation: A 63-year-old man presented with fever for 1 week and bilateral leg pain. He was found to have bilateral deep vein thrombosis (DVT) and treated with heparin drip, then Eliquis, but fever and leukocytosis (14-20k/mm3) persisted. Extensive workup—computed tomography (CT) scans of his chest and abdomen/pelvis, magnetic resonance imaging of his spine, nuclear [...]