Key result
Color Doppler ultrasonography of the upper-limb extracranial arteries in a 19-year-old woman with Takayasu's arteritis revealed the characteristic 'macaroni sign', indicating circumferential wall-thickening.
Case Report (n=1)
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Color Doppler ultrasound can visualize the "macaroni sign" (circumferential wall-thickening) in large vessels, serving as an effective non-invasive method for the early diagnosis of Takayasu's arteritis.
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Nicoletti et al. (2009) conducted a case report in Takayasu's arteritis (n=1). Color Doppler ultrasonography was evaluated on Ultrasonographic findings. Color Doppler ultrasonography of the upper-limb extracranial arteries in a 19-year-old woman with Takayasu's arteritis revealed the characteristic 'macaroni sign', indicating circumferential wall-thickening.
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