CT Guided Aspirations/Drainages

What is aspiration/drainage?

Aspiration biopsy/Drainage is a medical procedure where a sample of tissue is taken from a patient for examination and diagnosis of an illness or medical condition. Biopsies are important in the diagnosis of lesions.

What do we need to know at the time of booking and before the examination?

If you are on blood thinners such as Warfarin/Aspirin.



Please bring any previous films with you for comparison.

What happens?

You will change into a gown and be comfortably positioned so that the area being examined is most accessible. Scans are taken to locate its exact position. The skin in the area is sterilised with antiseptic, local anaesthetic given, then a needle is guided into the abnormality and a sample taken. This is repeated 2-4 times until sufficient material is obtained for pathology. More than one sample is needed to avoid sampling error and ensure there is adequate tissue for the pathologist.

How long does a biopsy procedure take?

About 15 to 30 minutes.

Special precautions:

In general, these are very safe techniques and have a very low complication rate.

After your examination:

There can be some discomfort at the biopsy site but it is usually minor and resolves in 3-4 hours. Ice packs for 10 minutes each hour and simple analgesics such as paracetamol can be used if needed.

Getting your pathology report:

It is essential you see your doctor within a few days to get the biopsy result. The pathologist will send their report directly to your doctor within 2-3 days of the biopsy.

What are the risks of a biopsy?

Possible complications of the procedure include bleeding or infection. However, since the procedure is performed under ultrasound guidance and strict aseptic technique, the possibility of such complications is low.

Your images and report:

It is important that you make an appointment to return to your doctor after you have collected your examination result. Whether they are normal or abnormal, your doctor needs to correlate with other information for further management.

Your result will include a copy of the images from your study as well as a report from our radiologist.

Depending on your referrer’s preference(s), a copy of the report can also be sent to your referring doctor by fax or electronic download.

Digital copies of all studies are stored on our secured database for comparison with any future examinations.

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