Calcification in the supraspinatus tendon is a relatively common cause of pain and limitation of motion of the shoulder, occurring in adults of all ages, although it is most frequently found between the ages of 30 and 45. No cases have been reported among children. This condition is often erroneously diagnosed as bursitis, periarticular arthritis, brachial neuritis, paralysis of the radial nerve or rheumatism.
Our purpose in this paper is to discuss briefly the etiology, symptoms and physical findings and to present a method of medical management which has proved successful in a number of instances.
The cause of calcification in the supraspinatus tendon is unknown. The tendon is so situated that it is subject to frequent mild trauma by being pinched between the head of the humerus and the acromion. Most recent writers have been of the opinion that injury to the tendon is a definite factor in
DICK GF, HUNT LW, FERRY JL. CALCIFICATION OF THE SUPRASPINATUS TENDON: A NEW TREATMENT. JAMA. 1941;116(12):1202–1205. doi:10.1001/jama.1941.02820120016005
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