Caption: Sagittal color Doppler of the popliteal artery
Description: The popliteal artery shows normal dimensions. There is an area of soft tissue abnormality along the posterior wall of the popliteal artery and that area is devoid of color. The rest of the popliteal artery shows good wall to wall filling of color.
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Caption: Transverse color Doppler of the popliteal artery
Description: The soft tissue mass is noted again in the popliteal artery. This mass shows good posterior enhancement suggesting that this mass is likely to be fluid filled. Incomplete filling of the popliteal artery by color is noted again.
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Caption: Sagittal scan of the popliteal artery
Description: The abnormality is demonstrated again in this image.
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Caption: Spectral Doppler waveform in the proximal region
Description: A normal arterial waveform with normal flow velocities [peak systolic velocity of 60 cm/sec] is noted in the right distal superficial femoral artery, proximal to the abnormal mass.
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Caption: Spectral Doppler waveform in the abnormal region
Description: The peak systolic velocity in the artery is very high in the area of the mass. It is approximately 158 cm/sec.
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Caption: MR angiogram image.
Description: The abnormal area shown in the previous ultrasound scans correspond to a cystic structure with fluid signal intensity.
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Caption: Axial MR image.
Description: The cyst along the wall of the popliteal artery is noted again.
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