Ultrasound
Longitudinal
Longitudinal
Longitudinal
Transverse
An effusion in intact tibialis anterior tendon sheath. Normal tendon echopattern.
Multiple linear echogenic foci with or without acoustic shadow; in subcutaneous plane of the distal third of the anterior leg - clinically area of swelling - foreign bodies.
The largest foreign body is about 40 mm long; lying superficial and parallel to the tibialis anterior tendon in the distal leg.
A smaller linear foreign body (10 mm long lying deep and lateral to largest foreign body).
A few smaller (1-3 mm) foreign bodies in the local subcutaneous collection measuring about 40 x 20 x 5 mm. All foreign bodies located cranial to skin entry wound.
No foreign body in the tendon sheath. No ankle effusion. No erosion of the adjacent tibial cortex.