The advantage of QCT method for measurement of bone mineral content is that, the cortical bone and cancellous bone can be measured separately, which is valuable, because the turnover-rate of cancellated bone is obviously higher then compact bone.

• 定量CT方法测定骨密度的优点是皮质骨和松质骨可被分别测定。 这在临床上很有价值，因为松质骨的转换明显地高于皮质骨。