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Osteoarthritis骨性关节炎

Osteoarthritis is a degenerative joint disorder and is the most common form of arthritis.骨关节炎是一种退行性关节紊乱病是最常见的形式关节炎。 In Britain, more than two million adults have osteoarthritis of the knee that is bad enough to cause pain and disability.在英国，超过两百万的成年人有膝关节骨性关节炎是坏，足以造成痛苦和残疾。

Osteoarthritis is closely age-related.骨关节炎是密切与年龄有关。 Although the condition is quite rare in people under the age of 45, about 80 per cent of people aged 65 have evidence of the condition, but only a quarter of these have symptoms.虽然条件是相当罕见，在人下， 45岁以下，约百分之八十的人年龄在65岁有证据的条件，但只有四分之一的这些症状。 Among older people, women tend to be more severely affected than men.老年人之间的人，妇女往往更严重的影响，多于男性。 Osteoarthritis most commonly involves the spine, the knee joints and the hip joints.骨性关节炎最常见的涉及脊柱，膝关节和髋关节。

Cervical osteoarthritis is a wearing away of the cartilage surfaces of the spinal bones (vertebrae) of the neck.颈椎骨性关节炎是一个身穿消失软骨表面的脊髓骨（脊椎）的脖子上。 The disorder is most common in middle age and is slow and persistent, with pain, stiffness of the neck and sometimes tenderness or pressure over the affected area.紊乱是最常见的在中年是缓慢而持续的，与疼痛，僵硬的脖子，有时压痛或压力超过受影响的地区。 Cervical osteoarthritis commonly appears long after a bone or joint injury, such as from whiplash head movement suffered by the occupants of a car struck from behind.颈椎骨性关节炎的普遍出现后不久，骨或关节损伤，如从挥鞭头部运动所遭受的占用一辆汽车从背后击中。

Chondromalacia patellae is a mild form of osteoarthritis, common in children and young adolescents.髌骨软化症是一个温和的形式，骨性关节炎，常见于儿童和青少年。 It affects the cartilage on the back of the kneecap (patella) and causes pain and stiffness, especially when going up and down stairs.它影响到软骨在背部的卡斯特罗（髌骨）和原因疼痛和僵硬，尤其是当不断上升，上下楼梯。 Unless the inner load-bearing surface of the kneecap has been severely damaged, the outlook is generally good.除非党内承重表面的卡斯特罗已严重受损，前景总体上是好的。 In rare severe cases however, the kneecap may have to be removed.在罕见的严重的情况下然而，卡斯特罗可能要被取消。