This condition is rare compared to posterior hip dislocations.
In this condition the leg lies externally rotated, abducted and slightly flexed. There is an anterior bulge that can be seen by looking at the patient from the side.
An AP x-ray usually shows up this lesion. However if the dislocation causes the head to lie almost directly in front of its normal position then this injury may appear unremarkable radiologically. A lateral view will reveal the dislocation.
The dislocation must be reduced. The patient may be in traction for about 3 weeks. After the period of traction the patient is allowed to walk with crutches. Exercises are encouraged as soon as pain allows.
The principal possible complication of this injury is avascular necrosis of the femoral head.
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