Needle Biopsy
Once an abnormality is identified in the breast a sample of
tissue is required to make a definite diagnosis.
In the past all lumps were removed surgically but this meant that
many unnecessary operations were performed to remove benign lumps
and even simple fluid filled cysts.
Today a diagnosis can usually be made pre-operatively using
percutaneous image guided needle biopsy.
These outpatient procedures only take a few minutes to
complete.
Biopsies are done with ultrasound guidance as this improves
speed,accuracy and comfort of the procedure.
All needle biopsies are done with local anaesthetic and are usually
not painful.
Fine needle aspiration biopsy
A thin needle attached to a syringe is passed backwards and
forwards through the lump with suction applied to the syringe.
Individual cells are sucked up into the syringe and are then
sprayed onto a slide for examination under the microscope.
Core biopsy
A slightly larger needle with a small groove is fired into the lump
by a spring loaded device. This removes a small cylinder of tissue
for examination. A small cut is made in the skin to allow passage
of the needle. 3 or 4 samples are taken and then a waterproof
plastic dressing is applied. This can be left on for about 5 days
allowing you to shower and bath. This method provides actual tissue
rather than individual cells and a more detailed report can be
provided by the pathologist.
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Meet the Surgeon
Trevor Smith MBChB FCS