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hydronephrosis
Sign in to saveHydronephrosis is a medical condition where the kidney becomes enlarged due to a complete or partial obstruction in the outflow of urine. This results in the dilation of parts of the kidney that function to collect urine (renal pelvis and calyces). Hydronephrosis can affect one or both kidneys and can develop suddenly or gradually over time. This condition affects individuals of all ages including in fetuses during pregnancy.
Key facts
- Medical condition (new).image
- Hydro.jpg
- Medical condition (new).caption
- Renal ultrasonography of hydronephrosis caused by a left ureteral stone
via Wikipedia infobox
Research
20,154 papers- Ureteropelvic Junction Obstruction/Hydronephrosis.The Urologic clinics of North America · 2023
- An overview of hydronephrosis in adults.British journal of hospital medicine (London, England : 2005) · 2020
- "Giant" hydronephrosis.Abdominal radiology (New York) · 2019
- Antenatal hydronephrosis: an updated review on postnatal care and management.Current opinion in pediatrics · 2025
- Hydronephrosis.Annals of the Royal College of Surgeons of England · 1977
via PubMed
Wikidata facts
Show 4 more facts
- Commons category
- Hydronephrosis
- NCI Thesaurus ID
- C26796
- exact match
- purl.obolibrary.org/obo/HP_0000126
- ICD-9-CM
- 591
via Wikidata · CC0
~18 min read
Article
9 sectionsContents
- Signs and symptoms
- Causes
- Pathophysiology
- Diagnosis
- Imaging studies
- Grading
- Treatment
- Prognosis
- References
Hydronephrosis is a medical condition where the kidney becomes enlarged due to a complete or partial obstruction in the outflow of urine. This results in the dilation of parts of the kidney that function to collect urine (renal pelvis and calyces). Hydronephrosis can affect one or both kidneys and can develop suddenly or gradually over time. This condition affects individuals of all ages including in fetuses during pregnancy.
Hydronephrosis can be caused by a wide variety of conditions, including congenital abnormalities of the urinary tract, kidney stones, tumors, narrowing of the ureters, bladder outlet obstruction, or pressure from nearby structures such as an enlarged prostate or the uterus during pregnancy. Hydronephrosis in children is most often caused by a structural abnormality while in adults, hydronephrosis is commonly caused by kidney stones, prostate enlargement, or cancer.