All the following are useful investigation for the diagnosis of multiple myeloma except
|A||Urine analysis for Bence Jones proteins|
a. The tumors are found wherever red bone marrow occurs that is in the trunk bones, the skull, and the proximal bones of tumor and the humerus.
b. Investigations of importance include urinanalysis which in over half the cases show Bence Jones protein, electrophoresis analysis of plasma and urine to which shows a characteristic pattern, Sternal puncture which reveals the typical plasma cells.
c. Often a high ESR arouses suspicion and prompts the surgeon to undertake these investigations. Bone scan is of no use.