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Nephritic syndrome is a syndrome comprising signs of nephritis, which is kidney disease involving inflammation. It often occurs in the glomerulus, where it is called glomerulonephritis. Glomerulonephritis is characterized by inflammation and thinning of the glomerular basement membrane and the occurrence of small pores in the podocytes of the ...
Childhood-onset nephrotic syndrome is a kidney disorder characterized by severe proteinuria (excess proteins in the urine), hypoalbuminemia (low albumin levels in the blood), and edema (swelling) that affects approximately 2-7 per 100,000 children under 18 years of age annually.
The C3 Nephritic Factor autoantibody stabilizes C3-convertase, which may lead to an excessive activation of complement. [4]: 553 Type 2 MPGN is a subgroup of C3 glomerulopathy, a newly proposed diagnosis which also encompasses C3 Glomerulonephritis (C3GN). [7] [8] Type 3 MPGN, which is caused by immune complex deposition in the subepithelial space.
Alport syndrome is a genetic disorder [1] affecting around 1 in 5,000–10,000 children, [2] characterized by glomerulonephritis, end-stage kidney disease, and hearing loss. [3] Alport syndrome can also affect the eyes, though the changes do not usually affect vision, except when changes to the lens occur in later life. Blood in urine is universal.
Lupus nephritis is an inflammation of the kidneys caused by systemic lupus erythematosus (SLE) and childhood-onset systemic lupus erythematosus which is a more severe form of SLE that develops in children up to 18 years old; both are autoimmune diseases. [3] [4] It is a type of glomerulonephritis in which the glomeruli become inflamed.
About 20% of children that exhibit nephrotic or nephritic features experience long permanent renal impairment. [ 28 ] The findings on renal biopsy correlate with the severity of symptoms: those with asymptomatic hematuria may only have focal mesangial proliferation while those with proteinuria may have marked cellular proliferation or even ...
Minimal change disease (MCD), also known as lipoid nephrosis or nil disease, among others, is a disease affecting the kidneys which causes nephrotic syndrome. [1] Nephrotic syndrome leads to the loss of significant amounts of protein to the urine (proteinuria), which causes the widespread edema (soft tissue swelling) and impaired kidney function commonly experienced by those affected by the ...
Membranoproliferative glomerulonephritis (MPGN) is a type of glomerulonephritis caused by deposits in the kidney glomerular mesangium and basement membrane thickening, [2] activating the complement system and damaging the glomeruli. MPGN accounts for approximately 4% of primary renal causes of nephrotic syndrome in children and 7% in adults. [3]