Clinical utility of tumor marker cutoff ratio and a combination scoring system of preoperative carcinoembryonic antigen, carbohydrate antigen 19-9, carbohydrate antigen 72-4 levels in gastric cancer.
	    		
		   		
		   			
		   		
	    	
    	 
    	10.4174/jkss.2013.85.6.283
   		
        
        	
        	
        	
        		- Author:
	        		
		        		
		        		
			        		Jong Chan LEE
			        		
			        		
			        		
			        			1
			        			
			        		
			        		
			        		
			        		
			        		;
		        		
		        		
		        		
			        		Se Youl LEE
			        		
			        		;
		        		
		        		
		        		
			        		Chan Young KIM
			        		
			        		;
		        		
		        		
		        		
			        		Doo Hyun YANG
			        		
			        		
		        		
		        		
		        		
		        		
		        			
			        		
			        		Author Information
			        		
		        		
		        		
			        		
			        		
			        			1. Department of Surgery, Chonbuk National University Medical School, Jeonju, Korea. md75769@naver.com
			        		
		        		
	        		
        		 
        	
        	
        	
        		- Publication Type:Original Article
 
        	
        	
        		- Keywords:
        			
	        			
	        				
	        				
			        		
				        		Gastric cancer;
			        		
			        		
			        		
				        		Prognosis;
			        		
			        		
			        		
				        		Tumor markers
			        		
			        		
	        			
        			
        		
 
        	
            
            	- MeSH:
            	
	        			
	        				
	        				
				        		
					        		Biomarkers, Tumor;
				        		
			        		
				        		
					        		Carcinoembryonic Antigen*;
				        		
			        		
				        		
					        		Cinnarizine;
				        		
			        		
				        		
					        		Gastrectomy;
				        		
			        		
				        		
					        		Humans;
				        		
			        		
				        		
					        		Multivariate Analysis;
				        		
			        		
				        		
					        		Prognosis;
				        		
			        		
				        		
					        		Recurrence;
				        		
			        		
				        		
					        		Stomach Neoplasms*
				        		
			        		
	        			
	        			
            	
            	
 
            
            
            	- From:Journal of the Korean Surgical Society
	            		
	            		 2013;85(6):283-289
	            	
            	
 
            
            
            	- CountryRepublic of Korea
 
            
            
            	- Language:English
 
            
            
            	- 
		        	Abstract:
			       	
			       		
				        
				        	PURPOSE: The present study is to investigate the clinical utility of tumor marker cutoff ratio (TMR) and develop a TMR combination scoring system based on preoperative tumor marker (TM) levels to prognosis prediction in gastric cancer. METHODS: We include 1,142 patients for whom two or more TMs were measured and who underwent radical gastrectomy between 1990 and 2003. RESULTS: Five-year risk of recurrence (5 YRR) for carcinoembryonic antigen (CEA) TMRs were 18.3%, 29.8%, 61.4% for TMR < 1.0, 1.0 < or = TMR < 2.0, TMR > or = 2.0 respectively. 5 YRR for carbohydrate antigen 19-9 (CA 19-9) TMR were 19.7%, 35.6%, 58.4% for TMR < 1.0, 1.0 < or = TMR < 3.0, TMR > or = 3.0, respectively. 5 YRR for carbohydrate antigen 72-4 (CA 72-4) TMR were 15.2% and 33.6% for TMR < 1.0 and TMR > or = 1.0, respectively. We defined high TMR (TMR > or = 2.0 for CEA, TMR > or = 3.0 for CA19-9), low TMR (1.0 < or = TMR < 2 for CEA, 1.0 < or = TMR < 3.0 for CA 19-9 and 1.0 < or = TMR for CA72-4) and negative TMR (TMR < 1.0 for all TMs). A TMR combination scoring system was devised with negative scored as zero points, low as 1 and high as 2 for each TMR. TMR scores were divided into four categories (score 0, 1, 2, 3 and above) based on the calculated TMR score and 5 YRR were found to be 12.8%, 23.9%, 45.5%, and 68.3%, respectively (P < 0.05). Multivariate analysis showed that our scoring system was a significant independent prognostic factor. CONCLUSION: Preoperative TMRs such as CEA, CA 19-9, and CA 72-4 show a correlation with prognosis and the TMR combination scoring system could be a useful tool for the prediction of prognosis in gastric cancer.