PMID: 2101220Jan 1, 1990Paper

Bone mass in males. A comparison between dual-photon densitometry of the lumbar spine and the whole body

Archivio Putti di chirurgia degli organi di movimento
M ParriniC Verdoia

Abstract

In order to evaluate the validity of a new method for measuring the whole body mineral content in diagnosing senile osteoporosis we studied 3 groups of male subjects: the first one composed by 40 young healthy subjects (mean age 24.7 years), the second composed by 40 normal patients (mean age 51.3 years); the 3rd group consisted of 26 elderly patients affected with typical osteoporotic fractures (mean age 77 years). All of them underwent a measurement of the spine as well as whole body mineral content performed with a dual photon absorptiometer. The measurements showed a decreasing in mineral content in the second versus the first group but a high correlation coefficient between spine and WB measurements characterized both groups; a striking decrease of it (r = 0.22) was found in the 3rd group. The relative unreliability of the spine measurement in elderly is probably due to the age-linked anatomical alteration. We therefore conclude that WB measurement must be considered the method of choice for the detection of senile osteoporosis.

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