1. Ectopic thyroid tissue in the submandibular region
2. Thyroglossal duct cysts: sonographic appearances in adults;Ahuja AT;AJNR Am J Neuroradiol,1999
3. Sonographic Evaluation of Thyroglossal Duct Cysts in Children
4. AkozT ErdoganB AyhanM CinarF.1998.Ectopic submandibular thyroid tissue. Rev Laryngol Otol Rhinol (Bord)119(5):323–325.