Shohadaye Tajrish Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran. 
                    
                    
                    Abstract:       (2062 Views)
                    
                    
                    A 15 year old girl is presented with subcutaneous emphysema of both arms, neck and thorax which found to be self-induced. The differential diagnosis of subcutaneous emphysema is discussed with especial emphasis on factitious emphysema and the importance of diagnosis.