Technical note: The quadrant technique for arthroscopic treatment of rotator cuff calcifications.

Reliable intraoperative localization of the calcium deposit is the most demanding and often time-consuming part of arthroscopic surgery for calcifying tendinitis of the rotator cuff. A new technique is described to intraoperatively localize calcium deposits based on preoperative ultrasonographic identification and subsequent assignment to a defined quadrant lateral of the acromion edge. The technique requires only a partial subacromial bursectomy, making the procedure less invasive and faster to perform.