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letter
. 2017 Oct-Dec;27(4):521–523. doi: 10.4103/ijri.IJRI_358_16

Figure 1(A and B).

Figure 1(A and B)

Grayscale (A) and color Doppler (B) images of the gallbladder demonstrate a 3.2 cm cystic artery pseudoaneurysm within the gallbladder. On color Doppler imaging, blood flow is seen within the pseudoaneurysm in the classic “yin-yang” pattern