US images show supraspinatus calcification in a 29-year-old woman. (a) Calcific deposit (C) can be clearly seen with moderate acoustic shadowing (circles). Subacromial bursitis (arrows) can be seen. (b) End of treatment. Most calcific material was removed from calcification (?) with single-needle procedure. Only a thin calcific wall (arrowheads) was left. Needle (arrows) is still inside calcification. B = biceps tendon, H = humeral head.