Beta-2 -microglobulin is a tumor marker for: (A) Multiple myeloma, (B) Lung cancer, (C) Colonic neoplasm, (D) Choriocarcinoma
Answer is A. Ans. (a) Multiple myeloma(Ref: Robbins 9th/pg598-602)Serum b2 microglobulin level <3.5mg/L indicates good prognosis, in multiple myeloma.