Cervicothoracic thymic cysts are rare and difficult to diagnose preoperatively. We report a case of a cervicothoracic thymic cyst presenting as a lateral neck mass and mimicking a laryngocele in a 3-year-old boy and its definitive management.
		                        		
		                        		
		                        		
		                        			Child, Preschool
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Laryngocele
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		                        			Male
		                        			;
		                        		
		                        			Mediastinal Cyst*
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		                        			Neck