A patient with abnormal kidney function and a monoclonal light chain in the urine

Nelson Leung, Samih H. Nasr

Research output: Contribution to journalArticle

4 Scopus citations

Abstract

Monoclonal gammopathy is increasingly recognized as a cause of kidney injury. These renal conditions behave differently than ones without monoclonal gammopathy and require specific treatment. To avoid misdiagnosis, testing for paraprotein should be performed in addition to vasculitis and autoimmunediseases serologies in adults with unexplained AKI or proteinuria. Because the prevalence of monoclonal gammopathy ismuchmore commonthan glomerular diseases, the nephrotoxicity of the monoclonal protein must be confirmed before cytotoxic therapy is initiated. This can only be done by a kidney biopsy. After a monoclonal gammopathy of renal significant is verified, the evaluation should then focus on the identification of the pathologic clone, because therapy is clone specific. We present this patient to illustrate the clinical presentation of a patient with renal dysfunction and amonoclonal gammopathy. This patient is also used to discuss the diagnostic process in detail when monoclonal gammopathy-associated renal disease is suspected.

Original languageEnglish (US)
Pages (from-to)1073-1082
Number of pages10
JournalClinical Journal of the American Society of Nephrology
Volume11
Issue number6
DOIs
StatePublished - Jun 6 2016

ASJC Scopus subject areas

  • Epidemiology
  • Critical Care and Intensive Care Medicine
  • Nephrology
  • Transplantation

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