QCT. The exact method.

Osteoporosis Checkup/ Bone Density Measurement


We perform the osteoporosis checkup = bone density measurement by means of quantitative computed tomography (QCT).

With this examination, the density, ie, the mineral salt content of the bone is determined. There are also advocates of the so-called DXA method. However, we recommend the QCT both for diagnosis as well as for follow-up. Because:
1) It allows a superposition-free measurement of only the trabecular bone in the vertebral body. The trabecular bone is metabolically more active than

cortical bone and in numerous comparative studies therefore the diagnostic sensitivity of QCT measurement proved to be excellent.

2) The QCT provides reproducible results. What does that mean? Would - in theory - the study be carried out repeatedly, the QCT would yield identical results, the results of the DXA, however, would scatter more around the true value. Therefore the QCT method is more accurate. This is a significant advantage, especially at follow-up.

Again and again we had to experience that, unfortunately, patients which have been diagnosed with DXA elsewhere were supposed to be healthy and were not treated. Soon these patients suffered fractures in everyday movements. The radiograph of these patients already showed osteoporosis.

With regard to the expert committeess both procedures are equivalently approved and recognized, and also their low radiation dose is comparable.

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