Case Presentation: A 70-year-old man with a past medical history of HIV on antiretroviral therapy, chronic obstructive pulmonary disease, tobacco use disorder, and ischemic cardiomyopathy presented due to 2 weeks of headache and hemoptysis. On review of systems he noted chronic diplopia going on for the last few months. The initial examination did not note [...]

Case Presentation: A 75-year-old male with a history of left upper lobe neuroendocrine lung cancer in remission presented to the hospital with progressive diplopia and headaches for 4 weeks. Prior to admission, he had recently been diagnosed with squamous cell carcinoma (SCC) on the vertex scalp which appeared at the onset of diplopia. Histology showed [...]