Following Changes in Bone DensityChristopher Knight, MD Literature reviewed April 17, 2006. Updated January 22, 2009
Click an answer under each question.
Your patient's prior DXA scan was obtained on a Hologic Incorporated instrument, and the instrument in your clinic is made by Lunar Corporation. How much variation could you see in the measured bone mineral density?
How much variation is there between repeat DXA readings on the same machine?
Which parameter on the bone density report should you monitor when following changes in bone density?
What is the average annual rate of loss of bone mass in postmenopausal women?
Based on this information, when should you order a second DXA scan?