Sewing Needle Penetration into Thorax: What Might be the Cause?

A 10-month-old male baby presented with irritability and inconsolable cry for last two weeks which increased on touching the chest. There was no history of fever, respiratory symptoms, or any accident. On examination, an indurated tender nodule over right lower chest was present. Chest x-rays showed a metallic foreign body at right lower chest extending from skin to pleural cavity (Fig.1A,1B). Foreign body was removed under anesthesia. It was a two inches long sewing needle. Child was discharged on day three of hospitalization after information to authority for further action.