A 61 year-old men presented to his primary care physician with a chronic course of generalized weakness, fatigue, back bone pain and weight loss (15 lb). Laboratory results shows hemoglobin 11g/dL (RR: 13.2-16.6 g/dL), creatinine 2.5 mg/dL (RR: 0.74-1.35 mg/dL), total calcium 11.5 mg/dL (RR: 8.8-10.2), and the following serum protein electrophoresis (SPEP) and immunofixation (IFE).
|Jose Jara Aguirre, M.D.
Resident, Clinical Pathology
|David Murray, M.D., Ph.D.
Consultant, Clinical Biochemistry
Assistant Professor of Laboratory Medicine and Pathology
Mayo Clinic College of Medicine