- Clinical features
- Groin pain
- Shortened and externally rotated leg
| Feature | Femoral Neck Fracture | Posterior Hip Dislocation |
|---|
| Classic Patient | Elderly (osteoporosis) after a fall. | Young patient after major trauma (MVA). |
| Limb Position | Shortened & EXTERNALLY Rotated. | Shortened & INTERNALLY Rotated. |
| Key Complication | Avascular Necrosis (AVN) of femoral head. | Sciatic Nerve Injury; AVN if reduction is delayed. |
| Management | Surgical Repair/Replacement (ORIF or Arthroplasty). | Emergent Closed Reduction (<6 hours). |
| Feature | Intertrochanteric Fx | Femoral Neck Fx |
|---|
| Location | Extracapsular | Intracapsular |
| Blood Supply | Good | Tenuous (Medial Femoral Circumflex a.) |
| Hallmark Risk | Malunion | Avascular Necrosis (AVN) |
| Typical Tx | ORIF (Dynamic Hip Screw) | Arthroplasty (in elderly) |
| Presentation | Leg shortened & externally rotated | Leg shortened & externally rotated (often less severe, capsule limits the degree) |