MGUS (monoclonal gammopathy)
Gammopathia monoclonalis incerti significationis · MGUS (monoklonální gamapatie)
What it is
One clone of plasma cells makes a single antibody in excess, harmlessly — in 3% of people over 50 — but 1% a year progress to myeloma or related disease.
Symptoms & signs
- No symptoms
- found by chance on a protein test
- occasionally nerve damage (numb feet)
- kidney damage in a few
🚩 Get help if…
- call 112 / 911 now New back pain with leg weakness or loss of bladder control
- see a doctor soon New bone pain or a broken bone after little force
- see a doctor soon Great thirst, confusion or constipation
- see a doctor soon Infections that keep coming back, or weight loss
Where it strikes
Medical treatment
- Serum protein electrophoresis and free light chains
- risk stratification
- yearly monitoring
- investigate any anaemia, bone pain, kidney change
Natural & lifestyle
- Healthy weight
- no smoking
Emerging & experimental
- Early treatment of high-risk smouldering disease
- screening trials (iStopMM)
Alternative, off-label & anecdotal
Approaches used outside the guidelines, with what their supporters report and what testing has found so far.
- Curcumin — small studies lowered the paraprotein early / small studies
- Vitamin D — low levels common; untested for progression early / small studies
- Green tea — anecdotal anecdotal / traditional
ICD codes
- ICD-10 D47.2
- ICD-11 2A83.0 Monoclonal gammopathy of undetermined significance