- quantitative CT is unique in that it can determine both bone density and distribution in three dimensions at any skeletal site;
- bone density can be estimated separately in trabecular and cortical bone compartments;
- generally performed at the lumbar spine using routine CT scanners;
- quantitive CT has the best sensitivity and specificity for distinguishing patients with spinal osteoporosis from subjects without it;
- after QCT, most specific and sensitive tests are DXA and dpa, and finally SPA
Original Text by Clifford R. Wheeless, III, MD.
Last updated by Data Trace Staff on Thursday, August 23, 2012 9:53 am