The Modern Technology Promises To Give Guaranteed Bone Density Scanning
Bone mineral density test refers to the application of bone scanning technologies. There are some useful as well as effective bone density scanners that include magnetic resonance imaging (MRI), x-ray, computed tomography and ultrasound. These technologies involve the scanning of the lumber spine and hips. Currently, the most widely used technique is dual energy x-ray absorptiometry (DEXA) that can determine efficiency in the large clinical trials.
Ultrasound is proved to be the most cost-effective method of bone scanning; it usually measures at the calcaneous. It can measure the quality of bone mass. Another powerful bone density scanner is quantitative computed tomography. This measure decreases along with aging persons. After the scan is completed, the results are prepared by the technologists to help radiologist. The nuclear medicine scanning technique can be performed for the bone re-building activity with the help of radiopharmaceuticals. Under such imaging procedure, a small amount of radioactive material such as 600 MBq of technetium-99m-MDP is injected in the body of patient. And then it emits energy that can be scanned with a gamma camera.
T score and Z score are based on the statistical unit of the standard deviations below the average for a young at peak bone density. Although no bone density test is 100 percent accurate, the DXA test is the single most important predictor that can tell whether a person might have a fracture in the future. T-scores are prohibited with children. The World Health Organization classification of osteoporosis and osteopenia in adults cannot be applied to children. On the other hand, Z-score has been helping such diagnosis.