| 1. | Kim A, Kang SH, Bae YK. Ectopic intrathyroidal thymus accompanied by intrathyroidal parathyroid as a cause of a solitary thyroid nodule in adult. Int J Clin Exp Pathol, 2014, 7(9): 6375-6378. | 
				                                                        
				                                                            
				                                                                | 2. | Sun YH, Xu J, Li M. Intrathyroid thymic carcinoma: report of two cases with pathologic and immunohistochemical studies. Int J Clin Exp Pathol, 2018, 11(10): 5139-5143. | 
				                                                        
				                                                            
				                                                                | 3. | Yildiz AE, Ceyhan K, Siklar Z, et al. Intrathyroidal ectopic thymus in children: retrospective analysis of grayscale and doppler sonographic features. Ultrasound Med, 2015, 34(9): 1651-1656. | 
				                                                        
				                                                            
				                                                                | 4. | Kabaalioglu A, Oztek MA, Kesimal U, et al. Intrathyroidal ectopic thymus in children: a sonographic survey. J Med Ultrason, 2017, 19(2): 179-184. | 
				                                                        
				                                                            
				                                                                | 5. | Park SH, Ryu CW, Kim GY, et al. Intrathyroidal thymic tissue mimicking a malignant thyroid nodule in a 4-year-old child. J Ultrasonography, 2014, 33(1): 71-73. | 
				                                                        
				                                                            
				                                                                | 6. | 杨宇凌, 梁长虹, 张金娥, 等. 异位胸腺3例. 中国医学影像技术, 2010, 26(2): 399-400. | 
				                                                        
				                                                            
				                                                                | 7. | Wang W, Xu JY, Zhang BT, et al. Ectopic thymic carcinoma located on the dorsal side of the thyroid gland. Ear Nose Throat J, 2023, 102(4): 263-267. | 
				                                                        
				                                                            
				                                                                | 8. | Velimezis G, Ioannidis A, Apostolakis S, et al. Concurrent intrathyroidal thymus and parathyroid in a patient with papillary thyroid carcinoma: a challenging diagnosis. Endocrinol Diabetes Metab Case Rep, 2017, 2017: 17-0015. doi: 10.1530/EDM-17-0015. | 
				                                                        
				                                                            
				                                                                | 9. | 许洁, 姜立新, 郑海涛. 儿童甲状腺内异位胸腺一例. 中华内分泌外科杂志, 2013, 7(4): 344-345. | 
				                                                        
				                                                            
				                                                                | 10. | 胡斌涛, 孙荣昊, 张芳, 等. 甲状腺内胸腺癌1例病例报道. 肿瘤预防与治疗, 2023, 36(11): 982-986. | 
				                                                        
				                                                            
				                                                                | 11. | Frates MC, Benson CB, Dorfman DM, et al. Ectopic intrathyroidal thymic tissue mimicking thyroid nodules in children. J Ultrasound Med, 2018, 37(3): 783-791. | 
				                                                        
				                                                            
				                                                                | 12. | Fernandes AC, Fitas AL, Soares J, et al. Intrathyroidal ectopic thymus: A case series. J Paediatr Child Health, 2022, 58(9): 1666-1668. | 
				                                                        
				                                                            
				                                                                | 13. | Megremis S, Stiakaki E, Tritou I, et al. Ectopic intrathyroidal thymus misdiagnosed as a thyroid nodule: sonographic appearance. J Clin Ultrasound, 2008, 36(7): 443-447. | 
				                                                        
				                                                            
				                                                                | 14. | Park JJ, Kim JW, Kim JP, et al. Two cases of ectopic cervical thymus: case reports and a review of the literature. Auris Nasus Larynx, 2006, 33(1): 101-105. |