Foreign body: forearm
Mechanic with localised sudden pain and bleeding from forearm while working for 3-4 days. Complaining of mild residual local pain. USG to rule out foreign body.
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There is a echogenic focus in subcutaneous fat abutting a non-thrombosed superficial vein.
It shows Doppler artifact.
Size - 1 mm.
There is no local collection / hypoechoic granulation around foreign body.
Findings favour metal dense foreign body in forearm. Like a renal calculus, there is twinkle artifact by metal foreign body and that helps to localize it.