All::Nephrology::Diseases::Membranous glomerulonephritis

Intro

What is seen on electron microscopy in Membranous glomerulonephritis?

the basement membrane is thickened with subepithelial electron dense deposits. This creates a 'spike and dome' appearance

What is the management of Membranous glomerulonephritis?

  • all patients should receive an ACE inhibitor or an angiotensin II receptor blocker
  • immunosuppression (only for severe or progressive disease)
  • consider anticoagulation for high-risk patients

What are the main causes of Membranous glomerulonephritis?

  • idiopathic: due to anti-phospholipase A2 antibodies
  • infections: hepatitis B, malaria, syphilis
  • malignancy (in 5-20%): prostate, lung, lymphoma, leukaemia
  • drugs: gold, penicillamine, NSAIDs
  • autoimmune diseases: systemic lupus erythematosus (class V disease), thyroiditis, rheumatoid

What is the prognosis of Membranous glomerulonephritis?

rule of thirds

  • one-third: spontaneous remission
  • one-third: remain proteinuric
  • one-third: develop ESRF

How common is Membranous glomerulonephritis?

commonest type of glomerulonephritis in adults and is the third most common cause of end-stage renal failure (ESRF)

What's the commonest presentation of Membranous glomerulonephritis?

nephrotic syndrome or proteinuria