What is nodular glomerulosclerosis?
Introduction. Nodular glomerulosclerosis is a pathological finding characterized by areas of marked mesangial expansion with accentuated glomerular nodularity on renal biopsy. It was originally described by Kimmelstiel and Wilson as a pathognomonic feature of diabetic nephropathy.
What is KW lesion?
This is nodular glomerulosclerosis (the Kimmelstiel-Wilson lesion) of diabetes mellitus. Nodules of pink hyaline material form in regions of glomerular capillary loops in the glomerulus. This is due to a marked increase in mesangial matrix from damage as a result of non-enzymatic glycosylation of proteins.
What is diffuse glomerulosclerosis?
In diffuse diabetic glomerulosclerosis, there is diffuse thickening of the glomerular basement membrane (GBM; fig 2B), which early in the disease process cannot be appreciated by light microscopy. As the disease progresses, the mesangial matrix continues to accumulate, along with mesangial cells.
What is capsular drop?
Capsular drop is produced by accumulation of plasma proteins between parietal epithelial cells and Bowman capsules. These lesions are characteristic but not specific for diabetic nephropathy.
What causes glomerulosclerosis?
Focal segmental glomerulosclerosis can be caused by a variety of conditions, such as diabetes, sickle cell disease, other kidney diseases and obesity. It can also be caused by an infection and drug toxicity. A rare form of FSGS is caused by inherited abnormal genes.
What is diabetic glomerulosclerosis?
Glomerulosclerosis in diabetic nephropathy is caused by accumulation of extracellular matrix (ECM) proteins in the mesangial interstitial space, resulting in fibrosis manifested by either diffuse or nodular changes (1). The most common matrix proteins detected are collagen types I, III, and IV and fibronectin (2).
What is Kimmelstiel-Wilson nephropathy?
Diabetic nephropathy (nephropatia diabetica), also known as Kimmelstiel-Wilson syndrome, or nodular diabetic glomerulosclerosis and intercapillary glomerulonephritis, is a progressive kidney disease caused by angiopathy of capillaries in the kidney glomeruli.
What is focal and segmental glomerulosclerosis?
Focal segmental glomerulosclerosis (FSGS) is a rare disease that affects the filters in your kidneys. When these filters are scarred, they are unable to filter your blood, which can lead to kidney damage and failure. Treatment for FSGS focuses on treating the symptoms and preventing any additional scarring.
Does diabetes cause glomerulosclerosis?
Diabetes also can cause progressive scarring of glomeruli. This is called glomerulosclerosis. This scarring often produces nodules (lumps) of scar in the glomeruli and thus is called nodular diabetic glomerulosclerosis.
How is glomerulosclerosis treated?
Treatment of Glomerulosclerosis These include: Angiotensin converting enzyme inhibitors (ACE inhibitors) and angiotensin receptor blockers (ARBs). These are blood pressure drugs that help control protein loss.
Is glomerulosclerosis hereditary?
Focal segmental glomerulosclerosis can be caused by a variety of conditions, such as diabetes, sickle cell disease, other kidney diseases and obesity. It can also be caused by an infection and drug toxicity. A rare form of FSGS is caused by inherited abnormal genes. Sometimes there’s no identifiable cause.
Why is segmental glomerulosclerosis called focal?
Focal segmental glomerulosclerosis (FSGS) is a rare disease that received its name because of how the affected kidney tissue looked under a microscope. Each of your kidneys contain about one million small filters. These filters are made up of a tuft of small blood vessels called a glomerulus.
Can glomerulosclerosis be reversed?
Reversal of glomerulosclerosis can be achieved. High dose ACEI or ARB can slow the progression of chronic kidney diseases, or even partially reverse glomerulosclerosis.
Why is it called Membranoproliferative glomerulonephritis?
Membranoproliferative glomerulonephritis (MPGN) is a type of glomerulonephritis caused by deposits in the kidney glomerular mesangium and basement membrane (GBM) thickening, activating complement and damaging the glomeruli….
| Membranoproliferative glomerulonephritis | |
|---|---|
| Other names | Mesangiocapillary glomerulonephritis |