13-20 Probes and Biopsy
During biopsy of the probe, misoperation may occur when the scan range is not set to “W”.
object in the image, it may not actually have done so. When the target
for biopsy is small, dispersion of the ultrasound beam may lead to
image deviate from the actual position. Pay attention to this.
If the target object and the biopsy needle appear in the image as shown
in the figures below (For reference only):
The biopsy needle appears to reach the target object in the image
Dispersion of the ultrasound beam
The biopsy needle may not have actually entered the target object even
though it appears to have done so on the image. To avoid this problem,
note points below:
Do not rely only on the needle tip on the image. Pay careful attention
to that, when the biopsy needle comes into the target object or
contacts with it, the object should shift slightly.
Before you perform the biopsy, please evaluate the size of the object
and confirm if the biopsy can be carried out.
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