A patient of multiple myeloma presents with bony lesions. What is the best marker for prognosis of the disease:: (A) Bone marrow plasma cell, (B) Serum calcium level, (C) Beta 2 microglobulin, (D) Beta 1 microglobulin
Answer is C. Answer is C (b2 microglobulin): Serum b2 microglobulin is the single most powerful predictor of survival and can substitute for staging-H-16th