External branch spinal nerve paralysis on keloid scar

Physical examination revealed strength of the left shoulder listed on 3 without articular limitation, atrophy of the trapezius muscle with ipsilateral asymmetry and fall of the left shoulder. Figure 1 (A) scar causing paralysis of the external branch of the left spinal nerve; (B) drop left shoulder front view; (c) drop left shoulder back view; (D) peeling off of the left scapula at the shoulder antepulsion 1 Service de Médecine Physique et de Réadaptation Fonctionnelle, CHU Sahloul Sousse, Faculté de Médecine Ibn El Jazzar, Sousse, Tunisie