Case Presentation: A 28-year-old man with ulcerative colitis treated with adalimumab presented with headache, fever and sinus symptoms that progressed over two weeks to neck stiffness, “clouded” thinking, and intermittent left arm and facial numbness. On physical examination, he had normal cardiorespiratory findings. He had mild nuchal rigidity but an otherwise normal neurologic examination. CT [...]

Case Presentation: 39 year-old African-American male presented with dizziness, worse with movement and short-term memory loss, remaining oriented, without visual changes, and no focal deficits. He complained of chronic sinusitis for the past year. CT head showed a hyperdense mass with surrounding white matter edema in the left basal ganglia. Confirmed by leptomeningeal enhancement by [...]