Which among the following statements is wrong ?
Qualitative assessment of M component is done by immunoelectrophoresis. Electrophoresis is used for quantitative assessment of M component. M component can also be detected in other lymphoid malignancies, CML, Ca breast, colon cancer , non neoplastic condition like cirrhosis, sarcoidosis, rheumatoid ahritis, myasthenia gravis.
Light chains are synthesised in slight excess normally in plasma cells
Qualitative assessment of M component can be done by electrophoresis
M components are detected in chronic myeloid leukaemia
In 20% myelomas, only light chains are produced
Lymphoma and Plasma cell disorder