hip - Epiphysis (adolescence)--------Klein line Salter...

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Hilgenreiner (Y-Y) line Perkin’s line ------ Shenton’s line -------- 8
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Developmental Hip Dysplasia Increased acetabular angle Normal is 28 o at birth Hilgenreiner line + line from superolateral to inferomedial margins of the acetabular roof Femoral head not centered in inferomedial quadrant Perkin’s line (lateral border of acetabulum) divides hip into 4 quadrants Uneven Shenton’s line Arc of medial femoral metaphysis to inferior edge of superior pubic ramus. 9
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Developmental Dysplasia of the Hip 10
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Developmental Dysplasia of Hip Disrupted relationship of femoral head to acetabulum 4-8 X > in female than male 30-50% in breech births ( • Tests – Barlow:  dislocate hip – Ortolani: relocate hip • Tx: – Age dependent • 1 st  3-4 wks:  normalize spontaneously • > 2 yrs.:  open reduction 11
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Slipped Capital Femoral
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Unformatted text preview: Epiphysis (adolescence)--------Klein line Salter Harris Type I fx through proximal femoral epiphysis Klein line: superior border femoral neck intersects femoral head 12 Slipped Capital Femoral Epiphysis Transverse fx. through the physis Widened physis Metaphysis moves medially and posteriorly Most common hip abnormality in adolescents Obese male adolescent 25% present w/ knee pain Tx: Internal fixation across physis & epiphysis 13 14 15 16 17 Legg-Calve Perthes (childhood) Idiopathic avascular necrosis of the femoral epiphysis 18 Legg-Calve Perthes Etiology: disrupted blood supply Mean age: 7 yrs 3-5X greater in males than females Mild, intermittent pain in ant. Thigh 7 y/o male w/ hip and knee pain, limp Tx.: abduction cast or surgery 19 20 21 22 23 24 25...
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hip - Epiphysis (adolescence)--------Klein line Salter...

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