Paget disease of bone
- Chronic bone disease of middle age.Named for James Paget, it is characterized by excessive bone destruction alternating with disordered bone construction (with dense, brittle bones and deformity that can compress internal structures). The long bones, vertebrae, pelvis, and skull are most often affected, more often in men. The risk of cancer, usually osteosarcoma, is high. Increased blood supply to the area of bone destruction may lead to heart or circulatory problems. Calcitonin (which regulates bone growth) and bisphosphonates (which block excessive bone breakdown) are drugs of treatment.
* * *also called osteitis deformanschronic disease of middle age, characterized by excessive breakdown and formation of bone tissue. The disease is common among people of northern European descent; it is almost nonexistent among people of Asian and African descent. The disease leads to deformities, fractures (fracture), and arthritis and may cause an increased risk of cancer, particularly osteosarcoma. The long bones, vertebrae, pelvis, and skull are most commonly affected, in men more often than in women. In the bone-destructive stages, bones soften and blood supply to the area increases, which may lead to heart or circulatory problems. In bone-constructive stages, bones are dense and brittle and fracture easily. Treatment includes the administration of medications such as biphosphonates or calcitonin, which inhibit bone cell activity. Individuals with Paget disease of bone should also exercise regularly and receive adequate daily amounts of calcium and vitamin D. The disease is named for the English surgeon and pathologist Sir James Paget (Paget, Sir James, 1st Baronet), who first described it.
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Paget disease of bone — A chronic condition in which both the breakdown and regrowth of bone are increased. Paget disease of bone occurs most frequently in the pelvic and leg bones, skull, and lower spine. It is most common in older individuals, and may lead to bone… … English dictionary of cancer terms
Paget disease of bone — osteitis deformans … Medical dictionary
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bone disease — Introduction any of the diseases or injuries that affect human bones (bone). Diseases and injuries of bones are major causes of abnormalities of the human skeletal system (skeletal system, human). Although physical injury, causing fracture,… … Universalium
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