Musculoskeletal Injections

What is an injection?

This is usually for pain relieve into joints, bursae and around tendons. This usually involves the back, the neck and the arms and legs, depending on the region of symptoms.

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?

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 region of interest followed by injection of local anaesthetic +/- steriod.

How long does an injection 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 injection site but it is usually minor. There is usually symptomatic relieve post procedure.

It is important that you return to your doctor if the injection site gets red and infected or if there is considerable pain worse than before the procedure.

What are the risks of an injection?

In general, these are very safe techniques. Side effects tend to be rare and minor:

  • Systemic side effects of a local injection of cortisone are rare and usually minor, e.g. facial flushing.
  • Elevated blood sugar, if happens, normally with diabetic patients. (Patients with diabetes should carefully monitor their blood sugar as cortisone can cause a temporary rise in their levels. Patients taking insulin should be especially carefully, checking their blood sugar often and adjusting the insulin doses, if necessary.)
  • Local side effects.
  • Pain – which usually subsides quickly and can be aided with an ice pack and anti-inflammatory medication.
  • Infection – we will sterilize the skin to minimise the risk of infection.
  • Bleeding – depending on the injection site but is rare.
  • Skin pigment changes around the injection site. If happens, it is not harmful.
  • Loss of local fatty tissue.
  • Tendon rupture – this is rare as this is a targeted imaging guided procedure.

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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