Endograft
There is an endovascular stent with endograft in both common iliac arteries. Because the internal artifacts overly the lumbar spine, the involved levels should be deleted, meaning that th spine will not be a location for diagnosis and monitoring since only one vertebral level is left.

This is the accompany radiograph to the lumbar spine DXA scan.

There is an endovascular stent with an endograft in both common iliac arteries. When the findings overlap the spine, the spine will not be a location for diagnosis and monitoring.
Sarah L Morgan, MD, RD, CCD, The University of Alabama at Birmingham
• Wang, X. and B. Schooley, Pitfalls of DXA interpretations in lumbar spines. . J Clin Densitom, 2007. 10(2): p. S203.