title: Recurrent suppurative thyroiditis due to pyriform fossa--thyroid fistula.
mesh_terms: D000293:Adolescent; D005260:Female; D005402:Fistula / Q000150:complications*; D006801:Humans; D010608:Pharyngeal Diseases / Q000150:complications*; D012008:Recurrence; D013959:Thyroid Diseases / Q000150:complications*; D013966:Thyroiditis / Q000209:etiology*