Ortho pelvis/hip

Question 1

Pelvic Fx MOI

Answer 1

high impact injury from MVA

Question 2

Pelvic Fx typical finding

Answer 2

perineal ecchymosis

Question 3

Pelvic Fx tx

Answer 3

ORIF

Question 4

MOI hip D/L

Answer 4

trauma

Question 5

hip pain w/leg shortened, internally rotates & adducted w/ hip/knee slightly flexed

Answer 5

Posterior Hip D/L MC**

Question 6

complication of hip D/L

Answer 6

avascular necrosis, sciatic nerve injury

Question 7

This is MC in osteopoptic women

Answer 7

hip fractures

Question 8

complication of hip fracture

Answer 8

avascular necrosis w/femoral neck fractures

Question 9

hip pain w/leg shortened, externally rotated, abducted

Answer 9

hip fracture

Question 10

Hip Fx tx

Answer 10

ORIF

Question 11

idiopathic avascular osteonecrosis of the femoral head in children due to ischemia of capital femoral epiphysis

Answer 11

Legg-Calve perthes disease

Question 12

painless limping x weeks (worsens with continued activity @ end of day)

loss of abduction and internal rotation

Answer 12

legg-calves perthes disease

Question 13

Dx of legg-calves perthes disease

Answer 13

X-rays

early: increased density of femoral head, widening of cartilage space

adv: deformity, crescent sign

Question 14

Tx for Legg-Calv Perthes disease

Answer 14

self limited disease, activity restriction

+/- pelvic osteotomy

Question 15

slipped capital femoral epiphysis

Answer 15

femoral head (epiphysis) slips posterior and inferior @growth plate

Question 16

MC in obese AA males during growth spurt due to weakness of the growth plate & hormonal changes at puberty

Answer 16

Slipped capital femoral epiphysis

Question 17

What should you suspect if you see slipped capital femoral epiphysis in children before puberty?

Answer 17

hormonal/systemic disorders like hypothyroidism

Question 18

Cpx for slipped capital femoral epiphysis

Answer 18

hip, thigh, or knee pain w/limp & external rotation

Question 19

Tx for slipped capital femoral epiphysis

Answer 19

non wt bearing w/crutches –> ORIF