EMPLOYEE WAS RETURNING TO DRESSING AREA AFTER SHOWER. SLIPPED ON WET FLOOR, LOST FOOTING & FELL. STRUCK HEAD ON CORNER OF WALL ON THE WAY DOWN. CONTACT WITH WALL CAUSED A 2 1/2"" LACERATION TO CROWN OF HEAD. TAKEN TO HOSPITAL; LACERATION REQUIRED 4 SUTURES. WENT TO DOCTOR ON 1/30/03. RETURNED TO WORK NEXT DAY WITH NO LOST DAYS; MEDICAL TREATMENT ONLY.