title: A fistula from pyriform sinus in recurrent acute suppurative thyroiditis.
mesh_terms: D000208:Acute Disease; D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D005260:Female; D005402:Fistula / Q000150:complications* / Q000000981:diagnostic imaging; D006801:Humans; D010608:Pharyngeal Diseases / Q000150:complications* / Q000000981:diagnostic imaging; D011859:Radiography; D013966:Thyroiditis / Q000209:etiology*