Diseases and Conditions

Monoclonal gammopathy of undetermined significance (MGUS)

Complications

Each year about 1% of people with MGUS go on to develop certain types of blood cancers or other serious diseases such as:

  • Multiple myeloma
  • Light chain amyloidosis
  • Waldenstrom macroglobulinemia
  • Lymphoma

Other complications associated with MGUS include bone fractures, blood clots and kidney problems.