Bone Mineral Densitometry (BMD) with Quantitative Computed Tomography (QCT) and Dual Energy X-Ray Absorptiometry (DEXA)
A bone density scan, is a special type of X-ray that measures bone mineral density (BMD). It provides information about bone strength or fragility and the risk of fractures or broken bones. The higher the density, generally, the lower the risk of fracture.
The spine and one or both hips are routinely scanned. The forearm might also be scanned if either the hip or spine is unavailable (usually due to surgery). As any condition affecting bone density tends to affect the whole skeleton, a snapshot of a few sites is sufficient to establish the overall bone density. The BMD at the hip and spine has been shown to be the best way of predicting the risk of fracture.
A radiographer will perform the examination.
A bone density scan, is a special type of X-ray that measures bone mineral density (BMD). It provides information about bone strength or fragility and the risk of fractures or broken bones. The higher the density, generally, the lower the risk of fracture.
Advanced Body Composition Measurement
Total Body Composition Measurement with Dual Energy X-ray Absorptiometry (DXA) can look beyond weight and BMI to determine a more accurate body fat distribution, muscle and bone mass reading. With InnerCore™ Visceral Fat Assessment, the Advanced Body Composition assessment is a more comprehensive way to measure body composition compared to other methods on the market. It provides you % body fat, total lean mass, bone density, limb comparison for muscle imbalance detection, visceral fat and more.
Body composition measurements provide important information for management of many diseases, including, but not limiting to growth hormone deficiency and chronic obstructive pulmonary disease (COPD). Total Body Composition Measurement also assists athletes and personal trainers to make effective decisions on the training regimens they use to achieve best performance and monitor the effects of diet or exercise.
The Cross Radiology uses the Hologic Horizon WI. The Horizon WI features High-resolution ceramic digital detectors array featuring ultra fast, high output, low noise ceramic detectors that provide better bone mapping and images.
Bone Density
Lean Muscle
Body Fat
Location of Fat
Visceral Fat
Muscle Imbalances
Skeletal Muscle Mass Index
High Precision and Accuracy
Preparation
No specific preparation is required for a BMD with QCT or DEXA, however if you have recently had a Barium study of your stomach or large bowel, you will need to tell staff at the radiology facility.
Pregnant?
It is important that you tell your own doctor and staff at the radiology facility if there is any chance you might be pregnant. This is important information, as it will make a difference in the way the BMD is carried out or a different test altogether might be required. Your safety and that of your unborn child is the number one priority.
Upon Arrival
You will be required to change into gown. You may also be asked to remove your hairclips, earrings, pins, chains or other items of jewellery before the examination, as these can sometimes interfere with examination. For the scan, you should remain as still as possible. The whole test usually takes 10 to 20 minutes.
Results
Our experienced radiologist looks at the images and sends the results to your treating doctor. You need to discuss the results with your treating doctor.
Risks
The dose of radiation used in a QCT scan is generally small and rarely produces harmful effects. The radiation dose will be kept as low as possible.
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