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Osteoarthritis is very common, affects the joints exposed to high stress and is therefore considered the result of "wear and tear" rather than a true disease. It is treated by Arthroplasty , the replacement of the joint by a synthetic joint made of titanium and teflon.
Cases of avascular necrosis have been identified in a few high-profile athletes. It abruptly ended the career of American football running-back Bo Jackson in 1991. Doctors discovered Jackson to have lost all of the cartilage supporting his hip while he was undergoing tests following a hip injury he had on the field during a 1991 NFL Playoff ...
Eburnation is a degenerative process of bone commonly found in patients with osteoarthritis or non-union of fractures.Friction in the joint causes the reactive conversion of the sub-chondral bone to an ivory-like surface at the site of the cartilage erosion. [1]
The goal of prevention would be to avoid joint damage and premature hip osteoarthritis. [27] Studies are examining the effectiveness of screening adolescents in school and targeting at-risk individuals for education, physical therapy and decreasing participation in possibly harmful activities/sports as referenced in the epidemiology section.
Medical condition Osteochondritis dissecans A large flap lesion in the femur head typical of late stage Osteochondritis dissecans. In this case, the lesion was caused by avascular necrosis of the bone just under the cartilage. Pronunciation / ˌ ɒ s t i. oʊ k ɒ n ˈ d r aɪ t ɪ s ˈ d ɪ s ɪ k æ n z / Specialty Orthopedic surgery Osteochondritis dissecans (OCD or OD) is a joint disorder ...
grade 1: the cartilage has a soft spot, blisters, or superficial wear; grade 2: minor tears of less than one-half the thickness of the cartilage layer; grade 3: lesions have deep crevices of more than one-half the thickness of the cartilage layer; grade 4: the cartilage tear is full thickness and exposes the underlying (subchondral) bone
[1] [2] Risk is greater in those who are overweight, have legs of different lengths, or have jobs that result in high levels of joint stress. [1] [2] [8] Osteoarthritis is believed to be caused by mechanical stress on the joint and low grade inflammatory processes. [9] It develops as cartilage is lost and the underlying bone becomes affected. [1]
Grade 2 presents with small cysts in the femoral head or acetabulum, moderate joint space narrowing, and moderate loss of sphericity of the femoral head. Grade 3 is the severest form of osteoarthritis, which manifests as severe narrowing of the joint space, large subchondral cyst with productive bone changes that may lead to deformity of the ...