Kidney diseases

Hydronephrosis — literally "water inside the kidney" — refers to distension and dilation of the renal pelvis and calyces, usually caused by obstruction of the free flow of urine from the kidney.

Chronic kidney disease (CKD), also known as chronic renal disease, is progressive loss in kidney function over a period of months or years.

Acute kidney injury (AKI), previously called acute renal failure (ARF), is an abrupt loss of kidney function that develops within 7 days.

Diabetic nephropathy (or diabetic kidney disease) is a progressive kidney disease caused by damage to the capillaries in the kidneys' glomeruli.

Goodpasture syndrome (GPS; also known as Goodpasture’s disease, antiglomerular basement antibody disease, or anti-GBM disease) is a rare autoimmune disease in which antibodies attack the basement membrane in lungs and kidneys, leading to bleeding from the lungs and kidney failure.

Glomerulonephritis (GN), also known as glomerular nephritis, is a term used to refer to several kidney diseases (usually affecting both kidneys).

Pyelonephritis is an inflammation of the kidney tissue, calyces, and renal pelvis.

Renal tubular acidosis (RTA) is a medical condition that involves an accumulation of acid in the body due to a failure of the kidneys to appropriately acidify the urine.

Pyonephrosis (Greek pyon "pus" + nephros "kidney") is an infection of the kidneys' collecting system.

Nephroptosis (also called floating kidney or renal ptosis) is an abnormal condition in which the kidney drops down into the pelvis when the patient stands up.

Nephrotic syndrome is a syndrome comprising signs of nephrosis, chiefly proteinuria, hypoalbuminemia, and edema.

Polycystic kidney disease (PKD or PCKD, also known as polycystic kidney syndrome) is a genetic disorder in which abnormal cysts develop and grow in the kidneys.

Uremia can be translated as "urea in the blood".

IgA nephropathy (IgAN), also known as IgA nephritis, Berger disease (/bɛərˈʒeɪ/) (and variations), or synpharyngitic glomerulonephritis, is a disease of the kidney (or nephropathy), specifically it is a form of glomerulonephritis or an inflammation of the glomeruli of the kidney.

Nephritic syndrome (or acute nephritic syndrome) is a syndrome comprising signs of nephritis, which is kidney disease involving inflammation.

Cystinuria is an inherited autosomal recessive disease that is characterized by high concentrations of the amino acid cystine in the urine, leading to the formation of cystine stones in the kidneys, ureter, and bladder.

Fanconi syndrome or Fanconi's syndrome (English /fɑːnˈkoʊni/, /fæn-/) is a syndrome of inadequate reabsorption in the proximal renal tubules of the kidney.

Renal cell carcinoma (RCC) is a kidney cancer that originates in the lining of the proximal convoluted tubule, a part of the very small tubes in the kidney that transport waste molecules from the blood to the urine.

Dent's disease (or Dent disease) is a rare X-linked recessive inherited condition that affects the proximal renal tubules of the kidney.

Tubulopathy is a disease affecting the renal tubules of the nephron.

Autosomal recessive polycystic kidney disease (ARPKD) is the recessive form of polycystic kidney disease.

Bright's disease is a historical classification of kidney diseases that would be described in modern medicine as acute or chronic nephritis.

Horseshoe kidney, also known as ren arcuatus (in Latin), renal fusion or super kidney, is a congenital disorder affecting about 1 in 600 people, more common in men.

Renal agenesis is a medical condition in which one (unilateral) or both (bilateral) fetal kidneys fail to develop.

A renal cyst is a fluid collection in the kidney.

Medullary Sponge Kidney (also known as Cacchi–Ricci disease) is a congenital disorder of the kidneys characterized by cystic dilatation of the collecting tubules in one or both kidneys.

Contrast-induced nephropathy is defined as either a greater than 25% increase of serum creatinine or an absolute increase in serum creatinine of 0.

Thin basement membrane disease (TBMD, also known as benign familial hematuria and thin basement membrane nephropathy) is, along with IgA nephropathy, the most common cause of asymptomatic hematuria.

High anion gap metabolic acidosis is a form of metabolic acidosis characterized by a high anion gap (a medical value based on the concentrations of ions in a patient's serum).

Adenine phosphoribosyltransferase deficiency (also called APRT deficiency or 2,8 dihydroxyadenine urolithiasis) is an autosomal recessive metabolic disorder associated with a mutation in the enzyme adenine phosphoribosyltransferase.

Kidney stone disease, also known as urolithiasis, is when a solid piece of material (kidney stone) occurs in the urinary tract.

Abderhalden–Kaufmann–Lignac syndrome (AKL syndrome), also called Abderhalden-Lignac-Kaufmann disease or nephropathic cystinosis, is an autosomal recessive renal disorder of childhood comprising cystinosis and renal rickets.

Acute proliferative glomerulonephritis is a disorder of the glomeruli (glomerulonephritis), or small blood vessels in the kidneys.

Analgesic nephropathy is injury to the kidney caused by analgesic medications such as aspirin, phenacetin, and paracetamol.

Balkan endemic nephropathy — also called Danubian endemic familial nephropathy (DEFN) — is a form of interstitial nephritis.

Distal renal tubular acidosis (dRTA) or Type 1 renal tubular acidosis (RTA) is the classical form of RTA, being the first described.

Gitelman syndrome is an autosomal recessive kidney disorder characterized by hypokalemic metabolic alkalosis with hypocalciuria, and hypomagnesemia.

Hypertensive nephropathy (or "hypertensive nephrosclerosis", or "Hypertensive kidney disease") is a medical condition referring to damage to the kidney due to chronic high blood pressure.

Interstitial nephritis (or tubulo-interstitial nephritis) is a form of nephritis affecting the interstitium of the kidneys surrounding the tubules.

Lupus nephritis (also known as SLE nephritis) is an inflammation of the kidneys caused by systemic lupus erythematosus (SLE), an autoimmune disease.

Nephrogenic diabetes insipidus (also known as peripheral diabetes insipidus) is a form of diabetes insipidus primarily due to pathology of the kidney.

Proximal renal tubular acidosis (pRTA) or Type 2 Renal tubular acidosis (RTA) is a type of RTA caused by a failure of the proximal tubular cells to reabsorb filtered bicarbonate from the urine, leading to urinary bicarbonate wasting and subsequent acidemia.

Renal osteodystrophy is currently defined as an alteration of bone morphology in patients with chronic kidney disease (CKD).

Renal papillary necrosis is a form of nephropathy involving the necrosis of the renal papilla.

Multicystic dysplastic kidney (MCDK) is a condition that results from the malformation of the kidney during fetal development.

Cardiorenal syndrome (CRS) is an umbrella term used in the medical field that defines disorders of the heart and kidneys whereby “acute or chronic dysfunction in one organ may induce acute or chronic dysfunction of the other”.

HIV-associated nephropathy (HIVAN) refers to kidney disease developing in association with HIV infection.

Autosomal dominant polycystic kidney disease (ADPKD, autosomal dominant PKD or adult-onset PKD) is the most prevalent, potentially lethal, monogenic human disorder.

The nutcracker syndrome (NCS) — is a manifest variant of nutcracker phenomenon, renal vein entrapment syndrome, or mesoaortic compression of the left renal vein.

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

Renal artery stenosis is the narrowing of one of the renal arteries, most often caused by atherosclerosis or fibromuscular dysplasia.

Renal vein thrombosis (RVT) is the formation of a clot in the vein that drains blood from the kidneys, ultimately leading to a reduction in the drainage of one or both kidneys and the possible migration of the clot to other parts of the body.

Congenital nephrotic syndrome is an inherited disorder characterized by protein in the urine and swelling of the body.

Focal segmental glomerulosclerosis (FSGS) is a cause of nephrotic syndrome in children and adolescents, as well as a leading cause of kidney failure in adults.

Membranous glomerulonephritis (MGN) is a slowly progressive disease of the kidney affecting mostly people between ages of 30 and 50 years, usually Caucasian.

Nephrosis is any of various forms of kidney disease (nephropathy).

Secondary hypertension (or, less commonly, inessential hypertension) is a type of hypertension which by definition is caused by an identifiable underlying secondary cause.

Papillorenal syndrome, also called renal-coloboma syndrome or isolated renal hypoplasia, is an autosomal dominant genetic disorder marked by underdevelopment (hypoplasia) of the kidney and colobomas of the optic nerve.

Transplant glomerulopathy, abbreviated TG, is a disease of the glomeruli in transplanted kidneys.

Alport syndrome is a genetic disorder affecting around 1 in 50,000 children, characterized by glomerulonephritis, end-stage kidney disease, and hearing loss.

In medicine, milk-alkali syndrome is characterized by high blood calcium caused by taking in too much calcium and absorbable alkali; common sources of calcium and alkali are dietary supplements taken to prevent osteoporosis and antacids.

Nephromegaly is the process whereby a kidney or both kidneys become enlarged.

Lightwood–Albright syndrome is a form of renal tubular acidosis.

Nephrocalcinosis, once known as Albright's calcinosis after Fuller Albright, or Anderson-Carr kidneys, is a term originally used to describe deposition of calcium salts in the renal parenchyma due to hyperparathyroidism.

Medullary cystic kidney disease (MCKD) is an autosomal dominant kidney disorder characterized by tubulointerstitial sclerosis leading to end-stage renal disease.

Conorenal syndrome, also called Mainzer-Saldino syndrome or Saldino-Mainzer disease, is a collection of medical conditions that seem to have a common genetic cause.

Exner syndrome, also known as serpentine fibula polycystic kidney syndrome, is a rare disorder, typified by the afflicted person having oddly formed, s-shaped fibulas as well as the development of numerous cysts in the kidneys.

EAST syndrome is a syndrome consisting of epilepsy, ataxia (a movement disorder), sensorineural deafness (deafness because of problems with the hearing nerve) and salt-wasting renal tubulopathy (salt loss caused by kidney problems).

Fraley syndrome is a condition where the superior infundibulum of the upper calyx of the kidney is obstructed by the crossing renal (upper or middle section) artery branch, causing distension and dilatation of the calyx and presenting clinically as haematuria and nephralgia (ipsilateral flank pain).

Galloway Mowat syndrome is a very rare autosomal recessive genetic disorder, consisting of a variety of features including hiatal hernia, microcephaly and nephrotic syndrome.

Cystic kidney disease refers to a wide range of hereditary, developmental, and acquired conditions.

Bardoxolone methyl (also known as “RTA 402”, “CDDO-methyl ester”, and CDDO-Me) is an experimental and orally-available semi-synthetic triterpenoid, based on the scaffold of the natural product oleanolic acid.

Tubulointerstitial nephritis and uveitis (TINU) is a rare medical condition in which there is uveitis (inflammation of the uvea in the eye) together with tubulointerstitial nephritis (inflammation of the tubules inside the kidney).

Glomerulocystic kidney disease (GCKD) is a cystic disorder of the kidneys.