Strangulation of the Penis by an Iron Screw Nut Weisslicher Reported to the Vienna Medical Society the case of a boy of 14 WHO Having passed His penis Through the lumen of a screw nut two days before admission HAD Been unable to withdraw it The peripheral portion was much swollen and the foreskin very edematous micturition but was not arrested The hexagonal nut was 3.2 cm in diameter by 2.3 in thickness Nearly the lumen was 2 cm across HAD His father tried to remove it with a file greased Four strips of linen Were passed Through the nut on four sides of the hexagon and by traction on These end while the center of the organ was kept steady the nut was drawn off The excoriation and swelling soon Disappeared in a similar case was ADMITTED to the St. Louis City Hospital a few years ago the nut Being somewhat larger and patient Being a young man it was Necessary to remove it with a file by G J L