Abstract
Routine DXA scanning in a 68-year-old asymptomatic man undergoing long-term bisphosphonate treatment for osteogenesis imperfecta showed unexplained loss of bone mineral density in two lumbar vertebrae. Subsequent radiographs revealed a 14-cm abdominal aortic aneurysm eroding the vertebrae. The importance of reviewing all the vertebrae in DXA scans is emphasized, and reasons for the absence of symptoms suggested.
MeSH terms
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Absorptiometry, Photon
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Aged
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Aortic Aneurysm, Abdominal / complications*
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Aortic Aneurysm, Abdominal / diagnostic imaging
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Bone Density / drug effects
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Bone Density Conservation Agents / therapeutic use
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Diphosphonates / therapeutic use
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Humans
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Lumbar Vertebrae / diagnostic imaging*
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Male
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Osteogenesis Imperfecta / complications*
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Osteogenesis Imperfecta / drug therapy
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Osteogenesis Imperfecta / physiopathology
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Osteoporosis / diagnostic imaging
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Osteoporosis / etiology*
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Osteoporosis / physiopathology
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Pamidronate
Substances
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Bone Density Conservation Agents
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Diphosphonates
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Pamidronate