Case Presentation: 54 years old man with a history of hypertension was hospitalized due to elevated BUN/creatinine of 33/4.6 mg/dL and Hb of 9.9 mg/dL (baseline 15). He endorsed dyspnea on exertion, anorexia and weight loss of 15 pounds in 6 months. One month ago, he was treated for acute bronchitis with levofloxacin and was [...]

Case Presentation: Introduction: Mixed Cryoglobulinemia (MC) is a rare subtype of the Cryoglobulinemia disorders which are caused by precipitation of immune complexes in the serum at cold temperature. MC involves more than one immunoglobulin component, i.e. IgM, rheumatoid factor (RF) and can be classified further as Type II or III. MC has associations with both [...]