Piriformis syndrome

 

Causes, symptoms and treatments

 

 
 
 
The piriformis syndrome is a neuromuscular disorder that occurs when the piriformis muscles compresses or irritates the sciatic nerve. The symptoms are similar to those generated by other conditions that evolve in sciatica, such herniated disc; however, piriformis syndrome doesn’t refer to problems of spinal nerve root and/or to the compression of an intervertebral disc. Generally, the conditions of this type are indicated as entrapment neuropathies.
The exact causes of the piriformis syndrome are unknown, but some hypothesis include:
  • Spasm of the piriformis muscle or of an adjacent structure, in response to a traumatic event or excessive stress;
  • Muscular anomalies with hypertrophy;
  • Nerves anomalies (partial or total);
  • Lumbar hyperlordosis;
  • Fibrosis (due to trauma);
  • Pseudo aneurysms of the inferior gluteus artery;
  • Intense physical activity.

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Chirurgia dell’anca a Piacenza