ANCA-associated Glomerulonephritis Overview
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Questions and Answers

What is the commonest form of crescentic or rapidly progressive glomerulonephritis?

  • ANCA-associated glomerulonephritis (correct)
  • IgA nephropathy
  • Membranous nephropathy
  • Lupus nephritis

What is the main characteristic of the renal lesion in ANCA-associated glomerulonephritis?

  • Proliferative glomerulonephritis
  • Membranous glomerulonephritis
  • Pauci-immune glomerulonephritis (correct)
  • Diffuse glomerulonephritis

Which specific antibody reactivity pattern is associated with a serine proteinase called proteinase 3 (PR3)?

  • Not associated with any specific pattern
  • Generalized cytoplasmic staining (cANCA) (correct)
  • Perinuclear pattern (pANCA)
  • Antigens other than PR3/MPO

In which condition are raised ANCA titres generally detectable during active disease, and rising titres may herald a relapse?

<p>Granulomatosis with polyangiitis (C)</p> Signup and view all the answers

What is the debated role of ANCAs in vasculitis?

<p>Both pathogenic and a marker (A)</p> Signup and view all the answers

Which pattern of ANCA reactivity is associated with a perinuclear pattern (pANCA)?

<p>Generalized cytoplasmic staining (cANCA) (A)</p> Signup and view all the answers

What is the most common form of vasculitic process seen in ANCA-associated glomerulonephritis?

<p>Systemic vasculitic process with pulmonary involvement (C)</p> Signup and view all the answers

What is the main characteristic of the renal lesion in ANCA-associated glomerulonephritis?

<p>Lack of deposits of immunoglobulin or complement in the kidney (D)</p> Signup and view all the answers

Which condition is associated with some cANCA/pANCA positive sera reacting with neutrophil antigens other than PR3/MPO?

<p>Inflammatory bowel disease (C)</p> Signup and view all the answers

What do rising ANCA titres generally indicate in granulomatosis with polyangiitis?

<p>Heralding a relapse (C)</p> Signup and view all the answers

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