Presentation
History of foreign body removal from the hand.
Patient Data
Age: 10 years
Gender: Female
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A well-defined lesion noted in the hypothenar aspect of the hand, showing signal voids and pulsatile artifact with avid enhancement after IV contrast administration.
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Doppler ultrasound shows the yin-yang sign indicating bidirectional flow due to blood swirling within the aneurysm.
Case Discussion
These findings are characteristic of pseudoaneurysm mostly from the ulnar artery.
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