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  • Title: Comparison of dual energy X-ray absorptiometry of the proximal femur with morphologic data.
    Author: Hübsch P, Kocanda H, Youssefzadeh S, Schneider B, Kainberger F, Seidl G, Kurtaran A, Gruber S.
    Journal: Acta Radiol; 1992 Sep; 33(5):477-81. PubMed ID: 1389659.
    Abstract:
    Measurements of bone mineral density (BMD) of the proximal femur (including femoral neck, Ward's triangle and trochanteric region) were compared with the Singh index grading in 40 normal subjects (20 male, 20 female) and in 116 patients (18 male, 98 female) referred for assessment of possible osteoporosis. Additionally, the BMD and the Singh index of 12 cadaver specimens (6 male, 6 female) of the proximal femur were compared with each other and with the histomorphology of the femoral necks of the specimens. Although there was a good correlation of Singh index with BMD in the group of male patients with suspected osteoporosis and in the series of bone specimens, there was a poor correlation in the group of female patients as well as in the normal controls and in the patient population as a whole. There was also poor correlation of Singh index values with histomorphologic data, whereas the BMD measurements correlated well with the amount of calcified bone found histologically in the femoral necks of the bone specimens. We conclude that the Singh index cannot be used to predict BMD of the proximal femur accurately.
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