The outside of the hip bone (femur) has a layer of slippery, filmy tissue called the bursa. This allows sliding of thigh muscles over the outside of the hip. When this bursa becomes inflamed, bursitis (or inflammation of the bursa) results.
Overuse, change in running or other sport techniques (hills, increase in distance, etc.). recent weight gain.
Pain in the outside of the hip, often radiating down the outside of the thigh to and past the knee. Worsened with activity.
Tenderness directly over the greater trochanteric bursa. Pain with certain provocative tests and maneuvers.
Diagnosis is based on history and physical examination. Workup is directed towards ruling out other causes, such as arthritis, or nerve irritation.
Rest, physical therapy, and anti-inflammatory medication are very helpful. A trial of a corticosteroid injection into the bursa is often of great benefit. Avoiding the irritating activity, or modifying sport technique is also necessary.
Open bursectomy.
Surgery is almost never required for this condition. Most cases can be treated non-operatively, but may take a lot of time and patience.