Pseudoaneurysm of popliteal artery This patient was a drug addict with history of injecting into the popliteal vessels. He presented with a pulsatile swelling in the Lt. popliteal region. Color Doppler study shows the typical cystic structure, in close relation to the Lt. popliteal artery, with swirling blood flow within it. This produces what is typically called the yin -yang sign on color doppler. (The picture below shows the t.. 2009. 8. 26. 이전 1 다음
