List some radiopaque and some radiolucent foreign bodies on x-rays?
Radiopaque: Glass of all types, most metallic objects excluding aluminium, most animal bones, some fish bones, some foods, some soil fragments, sand, gravel, mineral fragments, some medications and poisons. Radiolucent: Most foods, most medicines, most fish bones, most wood, splinters, thorns, most plastics and most aluminium objects.
Is a glass foreign body radiopaque or radiolucent on x-rays?
Glass foreign body fragments or shards are always radiopaque on x-rays.
What are the typical ultrasonographic features of glass foreign bodies?
Glass shards typically are hyperechoic with posterior acoustic shadowing and also demonstrate reverberation artefact.
What are the signal characteristics of glass on MRI?
Glass demonstrates a low T1 and T2 signal with blooming artefact on T2* and linear enhancement if a foreign body granuloma or reaction has formed surrounding the foreign body.
X-rays confirmed the radiopaque, triangular foreign body identified on the ultrasound, paravertebral at C7/T1 vertebral level, just above the medial left clavicle.
There are additional multiple radiopaque foreign bodies infrahyoid, left of the midline.