The immunoglobulin least commonly involved in Multiple Myeloma is:
Answer is D (IgD) The M component in Multiple Myeloma can be made up of the immunoglobulins IgG, IgM, IgD, IgA, and IgE; light chains alone; or heavy chains alone. IgG Myeloma is the most common form of Multiple Myeloma while Ig D (2%) and IgE (Rare) are the least common.
IgG
IgM
IgA
IgD