PREOPERATIVE DIAGNOSIS: , Herniated nucleus pulposus C5-C6.,POSTOPERATIVE DIAGNOSIS: , Herniated nucleus pulposus C5-C6.,PROCEDURE:,  Anterior cervical discectomy fusion C5-C6 followed by instrumentation C5-C6 with titanium dynamic plating system, Aesculap. 
PREOPERATIVE DIAGNOSIS : , Herniated nucleus pulposus C5 - C6.,POSTOPERATIVE DIAGNOSIS : , Herniated nucleus pulposus C5 - C6.,PROCEDURE : , Anterior cervical discectomy fusion C5 - C6 followed by instrumentation C5 - C6 with titanium dynamic plating system , Aesculap .