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A higher rate of resorption is often caused by increased osteoclastogenesis and results in symptoms of osteopenia such as excessive bone loss and low bone mineral density. [39] Osteoporosis is often triggered in post-menopausal women due to reduced estrogen levels associated with the depletion of hormone-releasing ovarian follicles. [40]
While senile osteoporosis is categorized as an involuntary, Type II, and primary osteoporosis, which affects both men and women over the age of 70 years. It is accompanied by vitamin D deficiency, body's failure to absorb calcium, and increased parathyroid hormone. [2][3] Research over the years has shown that senile osteoporosis is the product ...
The most important risk factors for osteoporosis are advanced age (in both men and women) and female sex; estrogen deficiency following menopause or surgical removal of the ovaries is correlated with a rapid reduction in bone mineral density, while in men, a decrease in testosterone levels has a comparable (but less pronounced) effect. [33] [34]
A scanner used to measure bone density using dual energy X-ray absorptiometry. Bone density, or bone mineral density, is the amount of bone mineral in bone tissue.The concept is of mass of mineral per volume of bone (relating to density in the physics sense), although clinically it is measured by proxy according to optical density per square centimetre of bone surface upon imaging. [1]
Bone densities are often given to patients as a T score or a Z score. A T score tells the patient what their bone mineral density is in comparison to a young adult of the same gender with peak bone mineral density. A normal T score is -1.0 and above, low bone density is between -1.0 and -2.5, and osteoporosis is -2.5 and lower.
Osteopenia, known as " low bone mass " or " low bone density ", is a condition in which bone mineral density is low. [ 1 ] Because their bones are weaker, people with osteopenia may have a higher risk of fractures, and some people may go on to develop osteoporosis. [ 2 ] In 2010, 43 million older adults in the US had osteopenia. [ 3 ]
Bone mineral density (BMD) is a measure commonly used to quantify bone health. A lower BMD value indicates an increased risk of an osteoporosis or a fracture. [9] There is a large range of factors influencing BMD. Protein consumption has shown to be beneficial for bone density by providing amino acid substrates necessary for bone matrix formation.
Paget's disease of bone; pyramiding ; Osteoporosis is due to causal factors like atrophy of disuse and gonadal deficiency. Hence osteoporosis is common in postmenopausal women and in men above 50 yrs. Hypercorticism may also be a causal factor, as osteoporosis may be seen as a feature of Cushing's syndrome.
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