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The underlying pathogenesis of secondary osteoporosis is often multifactorial. Secondary osteoporosis may result from endocrine abnormalities, such as hyperthyroidism, hypogonadism, Cushing's syndrome (see Chapters 45 and 46), and hyperparathyroidism (see Chapter 50). In addition, some chronic conditions, such as malabsorption, immobilization, hepatic, and renal disease (see Chapter 49) can result in bone loss. Secondary causes of bone loss are not often considered in patients who are diagnosed as having osteoporosis. In some studies, 20% to 30% of postmenopausal women and more than 50% of men with osteoporosis have a secondary cause. There are numerous causes of secondary bone loss, includ-ing adverse effects of drug therapy, endocrine disorders, Although idiopathic osteoporosis is the most common form of osteoporosis, secondary factors may contribute to the bone loss and increased fracture risk in patients presenting with fragility Hypogonadal states can cause secondary osteoporosis.

Secondary osteoporosis pathogenesis

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Many times reversible, secondary causes of bone loss are not considered in a patient with low bone mineral density (BMD). SECONDARY OSTEOPOROSIS One of the challenges encountered in the discussion of secondary osteoporosis is understanding the problems of osteoporosis and the tremendous advances that have been made in understanding the pathogenesis and diagnosis of the condition, it is important that medical disorders are 1. Radiologe. 2011 Apr;51(4):307-24. doi: 10.1007/s00117-011-2143-9. [Secondary osteoporosis: pathogenesis, types, diagnostics and therapy].

Direct inhibitory effect of glucocorticoid (GC) on bone formation and promotion of apoptosis of bone cells are thought to be the major mechanism of glucocorticoid-induced osteoporosis (GIO). GC reduces not only bone mineral density (BMD) but also bone quality, therefore, patients with GIO have a higher risk of fracture than those with postmenopausal osteoporosis with the same level of BMD. The pathogenesis of secondary osteoporosis is almost always multifactorial. Certain endocrinopathies, systemic diseases, malignant neoplasias, organ dysfunctions, a variety of medications such as corticosteroids, lifestyle conditions and habits, and also major depression can lead to the secondary osteoporosis.

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30 impaired bone formation in response to increased bone resorption rate is an important component of the pathogenesis of osteoporosis. This is thought to be due to a reduction in the number of osteoprogenitor/pre-osteoblastic cells and/or an age-related defect in their proliferative and differentiation abilities. Secondary osteoporosis refers to osteoporosis caused by certain medical conditions or medications that can cause bone loss, increase fracture risk, directly or indirectly affect bone remodelling or interfere with the attainment of peak bone mass in younger individuals.

Secondary osteoporosis pathogenesis

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Secondary osteoporosis pathogenesis

Secondary osteoporosis is the result of any previous wear and tear phenomena involving the joint such as previous injury, fracture, inflammation, loose bodies and congenital dislocation of the hip. Fig : 1 osteoporosis 1). Introduction osteoporosis 2).

Secondary osteoporosis pathogenesis

Pathogenesis • Primary osteoporosis • Secondary osteoporosis Read now CIRRHOSIS 1).
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Secondary osteoporosis pathogenesis

A rational search for the underlying disease or the bone-damaging medication is indicated particularly in adolescents, premenopausal women, men and postmenopausal women with rapidly decreasing bone Secondary osteoporosis results from specific clinical disorders that are potentially reversible. Up to 30% of postmenopausal women and 50% of men with osteoporosis may have an underlying cause. The underlying pathogenesis of secondary osteoporosis is often multifactorial. Secondary osteoporosis may result from endocrine abnormalities, such as hyperthyroidism, hypogonadism, Cushing's syndrome (see Chapters 45 and 46), and hyperparathyroidism (see Chapter 50).

Osteoporosis is characterized by low bone mass and microarchitectural we focus on the involvement of immune system in the pathogenesis of osteoporosis with of woman, there are many causes of secondary osteoporosis which occurs in The underlying pathophysiology of secondary osteoporosis involves the balance between resorption and formation of bone tissue through the process of bone  causing a negative balance of calcium metabolism and a secondary hyperparathyroidism [1-8]. Three major backgrounds for the etiology of osteoporosis. II) Definition & pathophysiology of osteoporosis.
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Oxidative stress, apoptosis, sex-steroid deficiency and macroautophagy are age-related One of the most important of the secondary causes of osteoporosis is chronic exposure to glucocorticoids, which are used for an extraordinarily large number of disorders. The adverse effects of hypercortisolism on bone metabolism were recognized more than half a century ago ( 1 ).


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Up to one third of postmenopausal women, as well as many men and premenopausal women, have a coexisting cause of bone loss, [ 11, 54] of which renal hypercalciuria is one of the most important From estrogen-centric to aging and oxidative stress: a revised perspective of the pathogenesis of osteoporosis. Endocr Rev 2010; 31:266. Bartell SM, Kim HN, Ambrogini E, et al.

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The underlying pathogenesis of secondary osteoporosis is often multifactorial. Secondary osteoporosis may result from endocrine abnormalities, such as hyperthyroidism, hypogonadism, Cushing's syndrome (see Chapters 45 and 46), and hyperparathyroidism (see Chapter 50). In addition, some chronic conditions, such as malabsorption, immobilization, hepatic, and renal disease (see Chapter 49) can result in bone loss. Secondary causes of bone loss are not often considered in patients who are diagnosed as having osteoporosis. In some studies, 20% to 30% of postmenopausal women and more than 50% of men with osteoporosis have a secondary cause. There are numerous causes of secondary bone loss, includ-ing adverse effects of drug therapy, endocrine disorders, Although idiopathic osteoporosis is the most common form of osteoporosis, secondary factors may contribute to the bone loss and increased fracture risk in patients presenting with fragility Hypogonadal states can cause secondary osteoporosis.

Senile osteoporosis has been recently recognized as a geriatric syndrome with a particular pathophysiology.