Presentation
Mechanic with localized sudden pain and bleeding from forearm for past 3-4 days while working. Complains of mild residual local pain. US to rule out foreign body.
Patient Data
Age: 35 years
Gender: Male
From the case:
Foreign body - forearm
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Echogenic focus in subcutaneous fat abutting a non-thrombosed superficial vein, showing twinkle artifact on Doppler interrogation. Size - 1 mm. No local collection or hypoechoic granulation around foreign body.
Case Discussion
Findings favor metal foreign body in forearm. Similarly to a renal calculus, a metal foreign body causes a twinkle artifact that helps to localize it.
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