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(三)加龄与骨成分减少症以下简介日本从各个角度研究加龄与骨成分减少症的情况。1.高龄者的脊椎骨折高龄者脊椎骨折以脊椎椎体的压迫骨折为最多,分为楔状压迫骨折与中心性凹陷型压迫骨折。其中伴发于老年性骨质疏松症的频率最高,也可见于伴发骨软化症、甲状旁腺功能亢进症以及其他内分泌疾患的骨质疏松症。不仅是骨代谢性疾患,就是骨髓肿瘤、转移性骨肿瘤也可引起脊椎骨折,这与老年性骨质疏松症引起的脊椎压迫骨折往往难以鉴别。伴有老年性骨质疏松症的脊椎压迫骨折虽有暂时的甚至体位变换都困难的剧痛,但预后较好,很少合并脊髓麻痹。但是一旦发生骨质疏松引起的脊椎压迫骨折,则降低日常生活的
(C) of aging and osteopenia reduce the following briefing on all aspects of Japan from the age of aging and bone component reduction disorders. 1. Elderly vertebral fractures Elderly vertebral fractures to vertebral vertebral compression fracture is the most, divided into wedge-shaped compression fracture and central depression-type compression fracture. Including the highest frequency of senile osteoporosis can also be found in osteoporosis associated with osteomalacia, hyperparathyroidism and other endocrine disorders. Not only bone metabolic disorders, that is, bone marrow tumors, metastatic bone tumors can also cause vertebral fractures, which is often difficult to identify with osteoporosis caused by vertebral compression fractures. Although spondylolysis fractures associated with senile osteoporosis have temporary or even difficult to shift position, they have a good prognosis and rarely have spinal paralysis. However, in the event of osteoporosis caused by vertebral compression fractures, then reduce the daily life