Case Presentation: 44 year-old male with ESRD on HD complicated by tertiary hyperparathyroidism, possible calciphylaxis on treatment with sodium thiosulfate, possible adrenal insufficiency on steroids, antithrombin III deficiency with prior pulmonary and splenic infarcts on Coumadin who developed a diffuse cutaneous skin eruption during a recent admission after being on antibiotics for possible pneumonia. He [...]