Multiple myeloma is diagnosed by-: (A) 24 hours urine protein, (B) Kidney biopsy, (C) > 10% plasmacytosis, (D) Rouleaux formation in blood
Answer is C. Multiple myeloma is diagnosed by marrow plasmacytosis of 1.more than 10% and 2.radiological evidence of lytic Bony lesions and 3. demonstration of Serum and urine and component Reference textbook of Pathology 7th edition author Harsha Mohan page number 363