title: Thyroglossal duct and ectopic thyroid disorders.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D002828:Choristoma / Q000175:diagnosis*; D005260:Female; D006801:Humans; D006928:Hyoid Bone / Q000601:surgery; D007223:Infant; D007231:Infant, Newborn; D008479:Mediastinal Neoplasms / Q000000981:diagnostic imaging; D008875:Middle Aged; D011877:Radionuclide Imaging; D013955:Thyroglossal Cyst / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000601:surgery*; D013961:Thyroid Gland / Q000000981:diagnostic imaging / Q000196:embryology / Q000601:surgery; D014062:Tongue Neoplasms / Q000175:diagnosis*