Caption: Transverse sonogram of the right groin.
Description: A large hypoechoic structure which shows posterior enhancement is seen in the right groin.
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Caption: Transverse color Doppler scan.
Description: The hypoechoic mass seen in the right groin completely fills with color showing turbulent flow with a yin-yang pattern. A large vessel is seen in very close proximity to this structure.
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Caption: Spectral analysis of the vascular mass.
Description: Spectral Doppler indicates very turbulent flow within the mass.
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Caption: Color Doppler view.
Description: Two vessels are noted posterior to the vascular mass. One of them [a vein] shows a direct communication with the mass.
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Caption: Spectral analysis at the site of communication.
Description: An abnormal venous waveform [it is arterialized] is noted at the site of communication between the vein and the mass.
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Caption: Spectral Doppler of the common femoral vein.
Description: A normal waveform is seen in the common femoral vein.
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Caption: Spectral analysis of the second vessel.
Description: A second vessel was also noted to be communicating with this mass. It demonstrated an arterial waveform [which is a low resistance flow] and the vessel appears to be a proximal branch of the right common femoral artery.
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Caption: Doppler of the proximal common femoral artery.
Description: A normal arterial waveform [high resistance] is noted.
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