Article Update

Monday, April 1, 2019


Deposit of calcium mineral with the rotator cuff tendons occurs as a result of a hypoxic state within degenerative tendon tissue. In the phase of deposit for mation there are few symptoms. During the phase of deposit absorption the tissues exhibit an acute inflammatory reaction associated with severe pain and a local increase in tissue temperature and, on occasion, local redness and swelling. In an acute phase of absorption, the clinical picture can appear to be an infection.

The acute phase can be treated with local cortisone injection to the subacromial bursae with the use of oral anti-inflammatory medication. In chronic conditions of persistent pain refractory to nonoperative management, aspiration of the lesion can be done under ultrasound guidance.

The clinical presentation of calcium deposits in the rotator cuff is variable. In some patients the calcium deposit is seen on radiographs as an incidental finding with a patient reporting a lack of a history of shoulder symptoms or only a remote history of shoulder pain that may have been associated with the deposit. In some patients, an acute episode of pain and inflammation is associated with resorption of the deposit, in which case the symptoms resolve. Other patients have recurrent bouts of acute and severe shoulder pain associated with intervals of no symptoms, and still others have chronic low-grade to moderate pain on a continual basis with some bouts of severe pain. In most cases it is the patients with multiple episodes of severe pain or chronic symptoms whose condition does not respond to nonoperative management and in whom removal of the calcium deposit is indicated.

Arthroscopic surgery can also visualize and locate the calcific deposit within the rotator cuff tendon tissue. Under direct visualization the lesion can be removed with a motorized shaving tool; and if the defect is large, repair of the tissue can be performed with arthroscopic technique. At the time of surgery, the deposit can be seen as a bump within the tendon often surrounded by increased blood vessels. The operative finding is variable, as is the clinical presentation. In most cases requiring surgery, when the calcium deposit is opened a large amount of calcium debris is extruded under pressure and the material is infiltrated within the tendon substances. The material is granular. Removal of the deposit often results in a defect in the tendon. In many cases with a large calcium deposit, the defect remaining after removal of the deposit is large and the benefit of arthroscopic removal is the ability to repair the cuff defect at that time. At other times, after opening the deposit  the material found is more the consistency of toothpaste. Other techniques used for removal of calcium deposits in the rotator cuff include the use of high or low-energy ultrasound and needle aspiration under fluoroscopic control. Open surgery is rarely performed with current minimally invasive techniques being so effective with less morbidity than with open surgery.

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