Figure 1.

Figure 1.

Different presentations of upper-extremity atrophy and paresis

A. On the left: atrophy of supraspinatus and infraspinatus muscles and rhomboid muscles (white arrow); on the right: scapular tilting and rotation caused by serratus anterior muscle weakness (white arrow with *)

B. On the right: severe scapular winging caused by serratus anterior paralysis (white arrow)

C. On the left: atrophy of supraspinatus and infraspinatus muscles (white arrow), and trapezius muscle (white arrow with *) showing underlying rhomboid muscles

D. Severe atrophy of the deltoid muscle (white arrow) and moderate atrophy of the biceps brachii muscle (white arrow with *)

From: Hereditary Neuralgic Amyotrophy – RETIRED CHAPTER, FOR HISTORICAL REFERENCE ONLY

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