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FNA Biopsy

What is a Fine Needle Biopsy/Aspiration?

A Fine Needle Biopsy/Aspiration is used when more information is required about the significance of a lump or group of lumps within an area identified by a previous radiological examination.

A fine needle is inserted into the area to obtain tissue samples for pathology testing. Some local anaesthetic will be injected in the skin before the needle is inserted. Following insertion, the needle will be guided into position using Ultrasound, CT or X‐rays to ensure the needle is in the correct position to obtain the tissue sample. This is repeated two or three times to ensure adequate sample is obtained for pathology testing.


Please ensure the following steps are followed. They will serve to prepare you for your examination and/or procedure.

  • Appointment required for this procedure
  • If you take Warfarin or other blood thinning agents, you will need to notify our staff as this may require cessation or blood tests prior to the procedure
  • There is no specific preparation for procedure
  • You will be asked to sign a consent form

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