Hips

Question 1

transient synovitis vs. septic arthritis

Answer 1

similar early Sx:
progressive hip, groin, thigh pain
limp or inability to weight bear
fever
irritability

due to the overlap, there are no absolute criteria for the diagnosis of either

Question 2

transient synovitis

Answer 2

acute onset followed by spontaneous recovery and no systemic upset
benign condition, with a small amount of fluid in the joint
most common cause of hip pain in children 3-10yo (peak at 5-6)
more common in boys
often preceded by viral infection
self-limiting, no long term sequelae

Question 3

SUFE

Answer 3

displacement of the proximal femoral epiphysis off the femoral neck
usually aged 11-14
more common in obese and boys
bilateral in 20-40%
hip often held in abduction and external rotation

Question 4

down’s syndrome

Answer 4

5-8% will develop abnormalities of the hip

most common condition is subluxation, sometimes ass. w/ malformation of the acetabulum

Question 5

perthe’s

Answer 5

idiopathic AVN of the femoral epiphysis
usually aged 4-10yo, peaking 5-7yo
boys more than girls, bilateral in 10%