<<forEachTiddler  where 'tiddler.tags.contains(context.inTiddler.title)'
sortBy 
        tiddler.title
    ascending 
write '"*[["+tiddler.title+"]]\n"'>>
<<tiddler AutoRefresh with: force>>

''Development dysplasia of the hip''
Often picked up on newborn examination
Barlow's test, Ortolani's test are positive
Unequal skin folds/leg length
 
''Transient synovitis (irritable hip)''
Typical age group = 2-10 years
Acute hip pain associated with viral infection
Commonest cause of hip pain in children

''Perthes disease''
degenerative condition affecting the hip joints of children, 
typically between the ages of 4-8 years. 
It is due to avascular necrosis of the femoral head
Perthes disease is 5 times more common in boys. 
Around 10% of cases are bilateral
//Features// - hip pain: develops progressively over a few weeks, limp, stiffness and reduced range of hip movement, x-ray: early - widening of joint space, later - decreased femoral head size/flattening
//Complications// - osteoarthritis, premature fusion of the growth plates

''Slipped upper femoral epiphysis''
Typical age group = 10-15 years
More common in obese children and boys
Displacement of the femoral head epiphysis postero-inferiorly
Bilateral slip in 20% of cases
May present acutely following trauma or more commonly with chronic, persistent symptoms
//Features// -knee or distal thigh pain is common, loss of internal rotation of the leg in flexion

''Juvenile idiopathic arthritis (JIA)'' (juvenile chronic arthritis) 
arthritis in someone <16 years old that lasts for > three months. 
Pauciarticular JIA refers to cases where 4 or less joints are affected. It accounts for around 60% of cases of JIA
//Features// of pauciarticular JIA - joint pain and swelling: (medium joints e.g. knees, ankles, elbows), limp, ANA may be positive in JIA - associated with anterior uveitis

''Septic arthritis''
Acute hip pain associated with systemic upset e.g. pyrexia. Inability/severe limitation of affected joint