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Fig. 4E —Sonography and MR images of shoulder in 75-year-old man
(A and B, respectively), 59-year-old woman (C and
D, respectively), and another 75-year-old man (E and F,
respectively). Sonogram shows that supraspinatus muscle (arrows) is
markedly hyperechoic relative to trapezius muscle (t) and that its pennate
pattern is lost.