Acetabular pelvic fractures: Difference between revisions

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*Ilioischial line- extends from ilium to ischial ramus forming radiographic teardrop, "U" shaped, on AP pelvis
*Ilioischial line- extends from ilium to ischial ramus forming radiographic teardrop, "U" shaped, on AP pelvis
*Quadrilateral plate forms medial wall of acetabulum
*Quadrilateral plate forms medial wall of acetabulum
==Fractures==  
==Anatomy==  
*Anterior column-anterior acetabulum to pubic ramus
*Anterior column-anterior acetabulum to pubic ramus
*Posterior column- posterior acetabulum to ischial ramus
*Posterior column- posterior acetabulum to ischial ramus
*Anterior and posterior columns merge to form acetabular dome= weight bearing portion
*Anterior and posterior columns merge to form acetabular dome= weight bearing portion
**Fractures involving acetabular dome require operative fixation
**Fractures involving acetabular dome require operative fixation

Revision as of 18:51, 7 August 2015

Background

  • Fractures usually occur when head of femur forced into acetabulum
  • Obvious when displaced, subtle non-displaced

Radiographically

  • Iliopubic line extends from ilium to superior pubic ramus
  • Ilioischial line- extends from ilium to ischial ramus forming radiographic teardrop, "U" shaped, on AP pelvis
  • Quadrilateral plate forms medial wall of acetabulum

Anatomy

  • Anterior column-anterior acetabulum to pubic ramus
  • Posterior column- posterior acetabulum to ischial ramus
  • Anterior and posterior columns merge to form acetabular dome= weight bearing portion
    • Fractures involving acetabular dome require operative fixation