Pseudowinging of the scapula due to subscapular osteochondroma.

defined as prominence of the medial or vertebral border of the scapula.1-3 Clinically, decreased range of active shoulder movement, upper girdle muscle weakness, pain, or cosmetic changes may be observed. However, in many cases it is no more than an incidental physical sign. The classic etiopathology of winging of the scapula is serratus anterior muscle impairment, secondary to long thoracic nerve palsy. However, various nerve, muscle, bone, and joint pathologies of the shoulder may be associated with winging of the scapula.1,3 Tumors of the scapula, such as an osteochondroma, are rarely associated with winging of the scapula.15 This article reports a case of a 25-yearold man who presented with winging of the right scapula as a result of subscapular osteochondroma.