Multiple myeloma is diagnosed by-
24 hours urine protein
Kidney biopsy
> 10% plasmacytosis
Rouleaux formation in blood
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
Haematology