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Acute tubular necrosis
Renal cortical necrosis
Renal papillary necrosis
IgA nephropathy (NORD)
Rapidly progressive glomerulonephritis
Focal segmental glomerulosclerosis (NORD)
Minimal change disease
Medullary cystic kidney disease
Medullary sponge kidney
Multicystic dysplastic kidney
Polycystic kidney disease
Chronic kidney disease
Renal tubular acidosis
Nephroblastoma (Wilms tumor)
Renal cell carcinoma
Renal artery stenosis
Acid-base disturbances: Pathology review
Congenital renal disorders: Pathology review
Electrolyte disturbances: Pathology review
Kidney stones: Pathology review
Nephritic syndromes: Pathology review
Nephrotic syndromes: Pathology review
Renal and urinary tract masses: Pathology review
Renal failure: Pathology review
Renal tubular acidosis: Pathology review
Renal tubular defects: Pathology review
Urinary incontinence: Pathology review
Urinary tract infections: Pathology review
Minimal change disease
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Minimal-change disease, sometimes called nil disease, affects the millions of the kidney’s glomeruli, which are the specific parts of the kidney where small molecules are first filtered out of blood and into the urine.
But what exactly is nephrotic syndrome? Well usually the glomerulus only lets small molecules—like sodium and water—move from the blood into the kidney nephron where it eventually make its way into the urine.
But with nephrotic syndromes, the glomeruli are damaged and they become more permeable, so they start letting plasma proteins come across from the blood to the nephron and then into the urine, which causes proteinuria—typically greater than 3.5 grams per day.
An important protein in the blood is albumin, and so when it starts leaving the blood, people get hypoalbuminemia—low albumin in the blood.
Finally, it’s thought that as a result of either losing albumin or losing some protein or proteins that inhibit the synthesis of lipids—or fat—you get increased levels of lipids in the blood, called hyperlipidemia.
Just like the proteins, these lipids can also get into the urine, causing lipiduria.
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