title: Thyroglossal cysts and fistulas.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D006928:Hyoid Bone; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D009062:Mouth Neoplasms / Q000175:diagnosis; D013955:Thyroglossal Cyst / Q000145:classification / Q000473:pathology / Q000601:surgery