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These are used as reference regions when describing for example complications including hip prosthesis loosening on medical imaging. Postoperative controls after hip replacement surgery is routinely done by projectional radiography in anteroposterior and lateral views.
Hip prosthesis displaying aseptic loosening (arrows) Hip prosthesis zones according to DeLee and Charnley, [42] and Gruen. [43] These are used to describe the location of for example areas of loosening. On radiography, it is normal to see thin radiolucent areas of less than 2 mm around hip prosthesis components, or between a cement mantle and bone.
Fracture around stem or just below, with loose stem but good proximal bone Revision of femoral component B3 Fracture around stem or just below, with poor quality or severely comminuted proximal bone Revision of femoral component with proximal femoral replacement C Fracture below the prosthesis: ORIF with plate
Basic aseptic procedures includes hand washing, donning protective gloves, masks and gowns, and sterilizing equipment and linens. [12] Medical aseptic techniques also includes curbing the spread of infectious diseases through quarantine, specifically isolation procedures based on the mode of disease transmission. [ 12 ]
Knee replacement, also known as knee arthroplasty, is a surgical procedure to replace the weight-bearing surfaces of the knee joint to relieve pain and disability, most commonly offered when joint pain is not diminished by conservative sources.
Aseptic necrosis of patella The site of the OSG and SLJ on the knee: OSG at tibial tuberosity and SLJ at inferior pole of patella Sinding-Larsen and Johansson syndrome , [ 1 ] named after Swedish surgeon Sven Christian Johansson (1880-1959), [ 2 ] and Christian Magnus Falsen Sinding-Larsen (1866-1930), [ 3 ] a Norwegian physician, is ...
Posterior dislocations is when the femoral head lies posteriorly after dislocation. [5] It is the most common pattern of dislocation accounting for 90% of hip dislocations, [5] and those with an associated fracture are categorized by the Thompson and Epstein classification system, the Stewart and Milford classification system, and the Pipkin system (when associated with femoral head fractures).
Osteochondrosis is a family of orthopedic diseases of the joint that occur in children, adolescents and rapidly growing animals, particularly pigs, horses, dogs, and broiler chickens.