What is COXA Plana?
Coxa plana is a disease of the previously normal hip joint in which the bony nucleus of the femoral head becomes necrotic. The dead bone is gradually replaced by the usual stages of bone repair. During this process there is usually some flattening of the normally spherical femoral head.
How is transient synovitis caused?
Transient synovitis is an inflammation in the hip joint that causes pain, limp and sometimes refusal to bear weight. This occurs in pre-pubescent children and is the most common cause of hip pain. It occurs when a viral infection, such as an upper respiratory infection, moves to and settles in the hip joint.
What is coxa magna deformity?
Coxa magna is the asymmetrical, circumferential enlargement and deformation of the femoral head and neck. Definitions in the literature vary but enlargement with asymmetry >10% in size is a reasonable cut-off for diagnosis 1.
What causes Perthes disease?
The cause of Perthes’ disease is unknown Blood provides your bones with oxygen and other nutrients. In children with Perthes’ disease blood supply to the femoral head is disrupted. It is not known what causes this to occur. Without enough oxygen and nutrients, the bone cells of the femoral head die.
What causes COXA Valga?
Kids can be born with coxa valga, or people can develop coxa valga due to an injury to the hip, cerebral palsy, knock-knees, rickets, or a number of other medical conditions.
What is coxa Breva?
coxa breva: short femoral neck with a small femoral head caused by premature closure of the epiphysis.
When does transient synovitis occur?
Transient synovitis of the hip usually occurs in children between 3 and 10 years of age.
What is transient synovitis?
Transient synovitis (sin-oh-vie-tis), commonly called irritable hip, is the most common cause of limping in children. It is due to inflammation (swelling) of the lining of the hip joint. In most cases of irritable hip, your child will have recently recovered from a viral infection.
What is coxa vara and coxa Valga?
Coxa valga is a deformity due to an increase in the angle between the head and neck of the femur and its shaft (normally 135 degrees). Coxa vara is the opposite: a decreased angle between the head and neck of the femur and its shaft.
How is Perthes diagnosed?
How is Perthes disease diagnosed? If your child is experiencing symptoms of Perthes disease, your healthcare provider will order an X-ray. X-rays are a common way to confirm a diagnosis. Your provider may also order additional studies, such as an MRI, to see how far the disease may have progressed.
Is Perthes disease genetic?
Legg-Calve-Perthes disease (LCPD) is usually not caused by genetic factors (thus is usually not inherited ), but there are some cases where LCPD affects more than one family member. In a small percentage of these familial cases, changes or mutations in the COL2A1 gene have been found to cause LCPD.
What happens in COXA Valga?
Coxa valga (KAHKS-uh VAL-guh) is a deformity of the femur, the upper thighbone that sits in the socket of the hip. hip deformity in which the angle between the shaft of the thighbone (femur) and the top of the thighbone is too great. the top of the femur, there is a knob of bone sticking off at an angle.