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A comparison of radiographic morphology and dual-photon (153Gd) absorptiometry was carried out in 132 women. Films of the lumbar spine were graded for osteopenia, spondylosis, and calcification of the abdominal aorta according to definite morphologic criteria. The radiographic grade of osteopenia and the bone mineral content of the 2nd, 3rd, and 4th lumbar vertebrae showed a highly significant inverse correlation. However, the mineral content at each radiographic grade of osteopenia differed considerably. Disproportionately high levels occurred in patients with spondylosis and severe calcification of the abdominal aorta. Spinal radiography and dual-photon absorptiometry must be regarded as complementary rather than alternative diagnostic procedures in clinical practice.
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Krølner et al. (1982) studied this question.
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