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Trabecular Bone Score (TBS)


Trabecular Bone Score (TBS) is measured from a lumbar spine DXA image and thus no extra scan is required. TBS is a measure of bone texture which correlates to bone microarchitecture. St Vincent's Clinic Densitometry, with our partner site at Chatswood Densitometry, were first to introduce TBS to Australia. It is routinely performed in patients 40 and older at no additional charge

In patients with normal or osteopenic bone density who have sustained a minimal trauma fracture, TBS can provide a measure of bone quality. With a high TBS score, bone microarchitecture is dense and well-connected. Conversely, a low TBS score means that bone microarchitecture is incomplete and weakened. In combination with routine bone density results, the TBS score can be useful in predicting fracture risk in patients with other risk factors such as prolonged steroid therapy or hyperthyroidism.
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For example, a patient with low bone density and a high TBS score will have a lower fracture risk than a patient with low bone density and low TBS score. 

TBS is particularly useful in patients with BMD values in the low osteopenic range (T score between -2.0 and -2.5) in whom a low TBS would indicate a greater need to consider commencing treatment.


Below is an interpretation guide for doctors to aid in evaluating your patient's BMD and TBS results.  ​
Interpretation Guidelines for Clinicans
File Size: 371 kb
File Type: pdf
Download File

Medimaps group provides the TBS software. A list of publications regarding this software is available on their website:  ​http://www.medimapsgroup.com/​
Below is a downloadable atlas for TBS
Atlas of Use for TBS
File Size: 3447 kb
File Type: pdf
Download File


Downloadable Patient Guide to TBS
File Size: 281 kb
File Type: pdf
Download File

Picture
​Like regular bone density, TBS also has a reference range matched for age and sex.
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  • Home
  • About us
  • Osteoporosis
    • About Osteoporosis
    • Trabecular Bone Score (TBS)
    • Bone density results
    • Lateral Vertebral Assessment
    • Calcium Calculator
  • Body Composition
    • About Body Composition
    • Visceral fat
    • Indications for Body Composition
  • Referrals
  • Fees
  • Contact
  • New Page