Calcific tendinitis - supraspinatus tendon

Case contributed by Mostafa El-Feky
Diagnosis certain


Painful left shoulder.

Patient Data

Age: 45 years
Gender: Female

Left shoulder


Signal alteration of the supraspinatus tendon is noted with intra-tendinous focal constant T1 and T2 hypointensity. 

Mild osteoarthrosis of the acromio-clavicular articulation.

Left shoulder


Oval-shaped calcific density is noted just above the level of greater tuberosity of the left humerus.

Case Discussion

The low signal intensity on T1 and T2 at the substance of the supraspinatus tendon, revealed on plain X-ray to represent calcifications, reflecting calcific tendinitis. Supraspinatus tendon is the commonest site of the rotator cuff muscle tendons for calcific tendinitis. 

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