Radioactive phosphorus is used in the treatment of –: (A) Polycythemia, (B) Thyroid metastasis, (C) Multiple myeloma, (D) Embrynal cell carcinoma
Answer is A. Amongst the given options, Radioactive phosphorus has a well-established role in polycythemia vera. It has also been tried in multiple myeloma, however, its use for this is still debatable.