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Frequency. ~15,000 per year (US) [ 4] Avascular necrosis ( AVN ), also called osteonecrosis or bone infarction, is death of bone tissue due to interruption of the blood supply. [ 1] Early on, there may be no symptoms. [ 1] Gradually joint pain may develop, which may limit the person's ability to move. [ 1]
Obesity, hypothyroidism. Slipped capital femoral epiphysis ( SCFE or skiffy, slipped upper femoral epiphysis, SUFE or souffy, coxa vara adolescentium) is a medical term referring to a fracture through the growth plate (physis), which results in slippage of the overlying end of the femur ( metaphysis ). Normally, the head of the femur, called ...
Frequency. ~15% of women at some point [ 1] A hip fracture is a break that occurs in the upper part of the femur (thigh bone), at the femoral neck or (rarely) the femoral head. [ 2] Symptoms may include pain around the hip, particularly with movement, and shortening of the leg. [ 2] Usually the person cannot walk.
Frequency. 1/25,000 in boys and 1/100,000 in girls. Legg–Calvé–Perthes disease ( LCPD) is a childhood hip disorder initiated by a disruption of blood flow to the head of the femur. Due to the lack of blood flow, the bone dies ( osteonecrosis or avascular necrosis) and stops growing. Over time, healing occurs by new blood vessels ...
An osteotomy is a surgical operation whereby a bone is cut to shorten or lengthen it or to change its alignment. It is sometimes performed to correct a hallux valgus, or to straighten a bone that has healed crookedly following a fracture. It is also used to correct a coxa vara, genu valgum, and genu varum. The operation is done under a general ...
Femoroacetabular impingement (FAI) is a condition involving one or more anatomical abnormalities of the hip joint, which is a ball and socket joint. [ 1] It is a common cause of hip pain and discomfort in young and middle-aged adults. [ 2]
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).
Garden classification. The Garden classification is a system of categorizing intracapsular hip fractures of the femoral neck. This fracture often disrupt the blood supply to the femoral head . British orthopaedic surgeon Robert Symon Garden [ fr] described a classification system for this type of fracture, referred to as the Garden ...