Lying down adrenal sign

The lying down adrenal sign is a feature seen usually associated with renal agenesis or renal ectopia. It is an important antenatal sonographic sign. 

On an antenatal ultrasound scan, the adrenal of the affected side appears flattened, elongated, and lying along the spine due to absence of the ipsilateral kidney.

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Article information

rID: 25432
System: Obstetrics
Section: Gamuts
Tag: stub, cases, refs
Synonyms or Alternate Spellings:
  • Flattened adrenal sign
  • Flat adrenal sign

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