Frequently Asked Questions

Please browse through our FAQs below:

I am a patient
I am a clinician
I represent a hospital

I am a patient

Why do I need a three-dimensional standing CT image?

Because it gives your doctor a lot more information about you and your condition than other scanning options.

Traditional imaging of the legs involves plain X-rays, which are two-dimensional (flat). The standard is a view from above and from the side and it is then up to your doctor to estimate how that would look in 3D.

With our scanners, a 3D scan can be taken while you are standing up. This shows any pressure on your joints and gives your doctor a much better picture of what might be wrong. This means they can better plan your treatment and recovery.

Is the standing CT scan safe?

It is as safe as a standard set of X-rays. Our scanners use Cone Beam CT (CBCT) to produce 3D images. The radiation dosage is much lower than traditional CT scans and is equivalent to a standard series of X- rays. To give you an idea of the radiation exposure, it is lower than that of a transatlantic flight.

What is the difference between Cone Beam and ‘normal’ CT?

Cone Beam CT (CBCT) uses a concentrated, low-power X-ray beam instead of a fan-shaped, high-output X-ray beam. This results in a lower radiation dosage and means a CBCT is much quicker than traditional “slice” CT. In addition both legs are scanned at the same time, allowing the opposite side to act as a normal comparison without you having to have another set of scans taken (meaning you don’t have any additional radiation exposure).

I’m claustrophobic, can I still have the standing CT scan?

Yes you can. Unlike a traditional CT scanner you can walk into a PedCAT, LineUP or HiRise scanner. You are not enclosed apart from the portion of the leg or arm that is being scanned.

I’m injured and in plaster and cannot stand without pain. Can I still have the scan?

Yes. Our scanner also has a seat so that you can still benefit from the rapid scan and diagnosis. Your scan won’t show any weight bearing information, but your doctor will still get a useful 3D scan result.

If you are wearing a plaster cast the scan can still be useful for diagnosis without needing to remove it, although often your consultant will ask to have it removed before the scan to enable the best possible images.

How much does a standing CT scan cost?

A standing CT costs in the region of £500-£650 for a single body part when you have a referral from a registered clinician referrer. For a multi-body part scan the costs are in the region of £750-£1,000. Each hospital will have slightly different charges. If you do not have a referral, you will need this from your consultant before you can book a scan. View clinic locations here.

I’m pregnant, can I still have the scan?

While a scan will not directly harm the baby, we cannot scan patients who are, or might be, pregnant unless their doctor can confirm that the benefits of a scan outweigh the risk. You will need to discuss this with your doctor, and they will have the final decision. In this situation clinic will provide lead gowns to the patient to protect them as much as possible.

I am a clinician

Why do I need a standing CT scan?

For lower limb surgeons, being able to see the joint spacing and bone positioning in a load-bearing, functional position is very important. Because we use Conebeam CT, 3D weight-bearing scans are available at a radiation dosage that is roughly equivalent to the corresponding X-ray set. Traditional weight-bearing X-rays can be problematic as they can take time to position the patient correctly and multiple X-rays are required which takes time and is not consistently reproducible. With our standing CT scans, the contralateral limb is also always imaged at the same time, as a control.

In what clinical indications is a standing CT useful?

A standing CT is useful in almost all clinical cases where a weight-bearing X-ray or CT is traditionally indicated. A full list of clinical indications is available here.

Are all standing CT scanners the same?

Our scanners reliably image both feet and ankles, knees or hips in a single pass without the patient having to change their simple normal standing position. This gives referrers a true bilateral comparison. Other scanners (not ours) scan the forefoot or hindfoot separately and then use a software algorithm to stitch the images together.

Our scans are quick (30-60 seconds) and deliver a low radiation dosage. Our scanners have a walk-in access port and, where required, a seat and handrail. This means that elderly patients or patients in a plaster can be scanned more easily than with equipment which require the patient to climb up or into the scanner.

Can you scan the entire leg?

Yes. The HiRise produces 3D alignment scans in a weight-bearing position that allows lower limb surgeons to see the full alignment from hips to toes.

I am an upper limb surgeon, how is your technology useful for me?

Our Conebeam CT scanners allow rapid 3D images at very low radiation dosage compared to conventional CT. For a scan of the upper limb, the patient simply puts their hand/wrist or elbow into the scanner (rather than having to be scanned in a superman position, as they do with conventional CT). Have a look at our products for more about the benefits of our technology.

How do I get access to weight-bearing CT scanning at my hospital?

If you’re a clinician and you would like weight bearing CT scanning images for your patients, please call us on +44 (0)203 026 0019. We can advise on what you will need to discuss with your departmental manager or clinical lead in order to purchase a scanner.

I represent a hospital

How do I get access to weight-bearing CT scanning for my orthopaedic specialists?

If you’re looking to purchase a scanner, we work with you to build the business case for a capital purchase. Contact us today to discuss.

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