Segmental renal hypoplasia

Segmental renal hypoplasia (also known as the Ask-Upmark kidney) is a type of renal hypoplasia. It is often found in young females with severe hypertension. The aetiology is unknown but has been postulated to be congenital or a sequelae of pyelonephritis. It is associated with severe juvenile hypertension.

Radiographic features

Intravenous urography

May show a thin cortex with calyceal clubbing and narrowing of the infundibulum.

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Article information

rID: 24774
System: Urogenital
Section: Pathology
Tags: stub, cases, refs
Synonyms or Alternate Spellings:
  • Renal segmental hypoplasias
  • Ask Upmark kidney

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