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Uremic pruritus is defined as itching that is directly caused by chronic kidney disease, with no other explainable conditions. [14] Uremic pruritus cannot be diagnosed with laboratory tests or established criteria because of its variability and lack of specific skin lesions.
Renal biopsy (also kidney biopsy) is a medical procedure in which a small piece of kidney is removed from the body for examination, usually under a microscope. [1] Microscopic examination of the tissue can provide information needed to diagnose, monitor or treat problems of the kidney.
A related condition called IgM nephropathy can sometimes cause pain. Thin membrane disease. In this condition the membrane that filters the blood to make urine is too thin, and blood can pass across it in very small amounts. In a few cases of this condition, there is pain in the kidneys, usually occurring in attacks every so often.
Glomerulonephritis (GN) is a term used to refer to several kidney diseases (usually affecting both kidneys). Many of the diseases are characterised by inflammation either of the glomeruli or of the small blood vessels in the kidneys, hence the name, [ 1 ] but not all diseases necessarily have an inflammatory component.
In the skin, the disease causes palpable purpura (small, raised areas of bleeding underneath the skin), often with joint pain and abdominal pain. With kidney involvement, there may be a loss of small amounts of blood and protein in the urine ( hematuria and proteinuria ), but this usually goes unnoticed; in a small proportion of cases, the ...
If the person has signs of kidney involvement or cutaneous vasculitis, a biopsy is obtained from the kidneys. Rarely, a thoracoscopic lung biopsy is required. On histopathological examination, a biopsy will show leukocytoclastic vasculitis with necrotic changes and granulomatous inflammation (clumps of typically arranged white blood cells) on ...
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In terms of cause, almost any condition that involves ischemia can lead to renal papillary necrosis. A mnemonic for the causes of renal papillary necrosis is POSTCARDS: pyelonephritis, obstruction of the urogenital tract, sickle cell disease, tuberculosis, cirrhosis of the liver, analgesia/alcohol use disorder, renal vein thrombosis, diabetes mellitus, and systemic vasculitis. [3]