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[Differential osteoporosis diagnosis in the woman].

Bone mineral density of a woman in the second half of her life depends on the amount of bone made during growth and its subsequent rate of loss. Although the rate of bone loss did receive more attention in the study of pathogenesis of osteoporosis, it is becoming increasingly clear that insufficient accumulation of skeletal mass by young adulthood predisposes a person to low bone mass and subsequently to fractures later in life as age related and menopause-related bone loss ensue. In this article we 1) explain the role of inadequate peak bone mass as a major risk factor for osteoporosis and 2) give an overview of factors leading to osteoporosis by decreasing bone mass. Special emphasis has been put on iatrogenic osteoporosis which is frequently neglected because of the fact that the responsible agents often are not known as to be deleterious to the skeleton: among others, glucocorticoids, thyroid hormones and antiepileptics adversely affect bone.