Superior dislocation of the patella; a case report and review of the literature.

Superior dislocation of the patella is a rare diagnosis. A 72 year old woman attended the accident and emergency department of the hospital with a painful right knee after a knock to the knee. Clinical examination and radiographs confirmed a superior dislocation of the patella, which was reduced and closed with the aid of simple analgesia. The authors present the case report and discuss the relevant literature.