Macaroni sign (arteries)

Macaroni sign is a sign seen in Takayasu arteritis on ultrasound. It represents smooth, homogeneous and moderately echogenic circumferential thickening of the arterial wall that occurs in Takayasu arteritis. The sign is highly specific for Takayasu arteritis, more commonly noted in the common carotid artery.  

Inspired signs
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Article information

rID: 29675
System: Vascular
Section: Signs
Synonyms or Alternate Spellings:
  • Macaroni's sign

Cases and figures

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