Bone density measurement
Bone density measurement Section
Bone density measurement (also referred to as bone densitometry) is a medical imaging technique used to assess the density or strength of the bones in the body.
This test helps to:
- Bone health should be evaluated.
- Reduced bone density (such as osteoporosis or osteopenia) is diagnosed.
- Determine the risk of future bone fractures.
- The effectiveness of anti-osteoporosis treatments should be measured.
- Medication therapy should be administered to improve the patient’s condition based on documented evidence.
Dual-Energy X-ray AbsorptiometryWhat is it?
Bones may lose density and weaken as a result of aging, certain diseases, or modifiable factors. When bone density is low:
- The likelihood of bone fractures increases.
- Even minor impacts can lead to fractures.
- Osteoporosis may develop.
This test is typically recommended for women who are menopausal or over the age of 65, individuals with a history of bone fractures, those taking certain medications (such as corticosteroids), or people with underlying medical conditions.
Method of ImplementationBone density measurement
The most common method for measuring bone density is DEXA (Dual-Energy X-ray Absorptiometry or DXA), which is performed using low-dose X-rays. The procedure is as follows:
- The patient lies motionless on the device bed.
- The device directs X-rays toward a specific area of the bone.
- The amount of radiation passing through the bone is measured and processed numerically by the computer.
- The test result is reported as the bone mineral density (BMD) measurement.
This method is quick, painless, and completely safe, exposing the body to only a very small amount of X-rays—equivalent to one day’s exposure to normal environmental radiation.
UsageBone density measurementOr densitometry
- The occurrence of a fracture following a minor trauma.
- The development of a hump in the back, which is usually caused by repeated fractures.
- Long-term use of corticosteroids
- Premature menopause
- Amenorrhea, or the cessation of menstrual periods before menopause.
- The presence of bone diseases such as rheumatoid arthritis or celiac disease.
- Severe underweight, where the BMI is less than 19.
Interpretation of Test Results
Bone density test results are typically reported based on the T-score.
- T-score between +1 and −1: Normal bone density
- T between −1 and −2.5: Reduced bone density (osteopenia)
- T-score less than −2.5: Osteoporosis
Departments of Pardisnoor
A wide array of advanced imaging and therapeutic services is offered, including CT scans, MRI, digital radiology, mammography, ultrasound, bone density assessments, and digital dental care.
Interventional clinics, fully equipped to perform minimally invasive procedures under ultrasound and fluoroscopy guidance, are prepared to deliver comprehensive services.
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Frequently Asked Questions
For whom is bone density measurement recommended?
This test is typically recommended for postmenopausal women, individuals over the age of 65, those with a history of fractures, people taking specific medications such as corticosteroids, and individuals with underlying conditions that affect bone health.
Is undergoing a bone density test dangerous?
No, this method is painless and safe, and the amount of radiation reaching the body is very low—equivalent to one day of exposure to natural environmental radiation.
What does the test result indicate?
A T-score between +1 and −1 indicates normal bone density; between −1 and −2.5 signifies reduced bone density (osteopenia); and less than −2.5 indicates osteoporosis.