Monoclonal gammopathies are conditions in which abnormal proteins (antibodies) are found in the blood. These proteins are produced from a small number of plasma cells in the bone marrow. Plasma cells are a type of white blood cell. Their main job is to make antibodies to fight infection.
The most common condition linked with these abnormal proteins is monoclonal gammopathy of undetermined significance (MGUS). It is not cancer. But people with MGUS have a greater risk of getting serious diseases of the bone marrow and blood.
The exact cause of MGUS is not known. Infection, immune system problems, and the environment may play a role. But experts have not found a clear link yet. Experts do know that the abnormal proteins are not caused by a certain diet or from eating dietary proteins.
The chance of getting MGUS grows with age, but it is not common. There is no risk for monoclonal gammopathies in first-degree family members. This means screening of siblings and children is not needed.
MGUS causes no symptoms. In fact, monoclonal protein in the blood is often found by accident when doing other routine blood work.
Most people who have abnormal proteins in their blood will never get worse. But in some cases, these illnesses can develop:
Multiple myeloma
Non-Hodgkin lymphoma
Plasma cell leukemia
Primary amyloidosis
Solitary plasmacytoma
Waldenstrom’s macroglobulinemia
Once abnormal proteins are found in the blood, more testing is needed. A blood screening and sometimes a urine screening is recommended. This is often done with a lab test called electrophoresis. This test separates proteins based on their size and other factors. Depending on the results of those tests, more testing may be done.
MGUS is not harmful and does not cause symptoms. So it doesn’t need to be treated. Since MGUS may lead to a more serious condition, you’ll need checkups throughout your life. This often includes regular physical exams and blood work. This will help find problems as early as possible.
Monoclonal gammopathies are conditions in which abnormal proteins are found in the blood.
The most common condition linked with these abnormal proteins is monoclonal gammopathy of undetermined significance (MGUS).
MGUS causes no symptoms. Diagnosis is often done with a lab test called electrophoresis.
Because MGUS is not harmful, it doesn’t need to be treated.
MGUS may lead to a more serious condition. So checkups are needed throughout your life to find problems as early as possible.
Tips to help you get the most from a visit to your healthcare provider:
Know the reason for your visit and what you want to happen.
Before your visit, write down questions you want answered.
Bring someone with you to help you ask questions and remember what your provider tells you.
At the visit, write down the name of a new diagnosis, and any new medicines, treatments, or tests. Also write down any new instructions your provider gives you.
Know why a new medicine or treatment is prescribed, and how it will help you. Also know what the side effects are.
Ask if your condition can be treated in other ways.
Know why a test or procedure is recommended and what the results could mean.
Know what to expect if you do not take the medicine or have the test or procedure.
If you have a follow-up appointment, write down the date, time, and purpose for that visit.
Know how you can contact your provider if you have questions.
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