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  2. Henoch–Schönlein purpura - Wikipedia

    en.wikipedia.org/wiki/Henoch–Schönlein_purpura

    As with IgA nephropathy, serum levels of IgA are high in HSP and there are identical findings on renal biopsy; however, IgA nephropathy has a predilection for young adults while HSP is more predominant among children. Further, IgA nephropathy typically only affects the kidneys while HSP is a systemic disease.

  3. IgA nephropathy - Wikipedia

    en.wikipedia.org/wiki/IgA_nephropathy

    IgA nephropathy is the most common glomerulonephritis worldwide; the global incidence is 2.5/100,000 per year amongst adults. [1] Aggressive Berger's disease is on the NORD list of rare diseases. [2] Primary IgA nephropathy is characterized by deposition of the IgA antibody in the glomerulus.

  4. Nephritic syndrome - Wikipedia

    en.wikipedia.org/wiki/Nephritic_syndrome

    The symptoms at onset are very similar to IgA nephropathy and include abdominal pain, hematuria, edema, and oliguria. [ 18 ] Henoch–Schönlein purpura (HSP) - Often considered a systemic form of IgA nephropathy , Henoch–Schönlein purpura (HSP) is a systemic small-vessel vasculitis that is characterized by deposition of IgA antibody immune ...

  5. Glomerulonephritis - Wikipedia

    en.wikipedia.org/wiki/Glomerulonephritis

    IgA nephropathy, also known as Berger's disease, is the most common type of glomerulonephritis, and generally presents with isolated visible or occult hematuria, occasionally combined with low grade proteinuria, and rarely causes a nephritic syndrome characterised by proteinuria, and visible blood in the urine. IgA nephropathy is classically ...

  6. Rapidly progressive glomerulonephritis - Wikipedia

    en.wikipedia.org/wiki/Rapidly_progressive_glomer...

    Rapidly progressive glomerulonephritis (RPGN) is a syndrome of the kidney that is characterized by a rapid loss of kidney function, [4] [5] (usually a 50% decline in the glomerular filtration rate (GFR) within 3 months) [5] with glomerular crescent formation seen in at least 50% [5] or 75% [4] of glomeruli seen on kidney biopsies.

  7. Thin basement membrane disease - Wikipedia

    en.wikipedia.org/wiki/Thin_basement_membrane_disease

    In IgA nephropathy, episodes of frank hematuria are more common, and a family history is less common. A kidney biopsy is the only way to diagnose thin basement membrane disease. It reveals thinning of the glomerular basement membrane from the normal 300 to 400 nanometers (nm) to 150 to 250 nm.

  8. Type III hypersensitivity - Wikipedia

    en.wikipedia.org/wiki/Type_III_hypersensitivity

    Immune complex glomerulonephritis, as seen in Henoch-Schönlein purpura; this is an example of IgA involvement in a nephropathy. The reaction can take hours, days, or even weeks to develop, depending on whether or not there is immunological memory of the precipitating antigen. Typically, clinical features emerge a week following initial antigen ...

  9. Mesangial proliferative glomerulonephritis - Wikipedia

    en.wikipedia.org/wiki/Mesangial_proliferative_gl...

    IgA nephropathy is the most common cause of MesPGN. [3] It is thought abnormally glycosylated IgA form polymers and deposit in the mesangium. [3] Subsequently, IgA immune complexes bind to IgA receptors on mesangial cells and induce injury to mesangial cells through release of cytokines and growth factors that promote infiltration of leukocytes ...