US-guided percutaneous biopsy: use of a screw biopsy stylet to aid needle detection.
Insertion of a screw biopsy stylet into a thin-walled biopsy needle greatly enhances detection of the needle during ultrasound-guided percutaneous biopsy. This technique is helpful when precise needle-tip localization is needed for biopsies of small lesions.
D001707:Biopsy, Needle / Q000295:instrumentation / Q000379:methods*; D006801:Humans; D009339:Needles; D014463:Ultrasonography