title: A midline cervical fistula associated with a birefringent body: an unusual presentation of a branchiogenic fistula.
mesh_terms: D000293:Adolescent; D001935:Branchioma / Q000150:complications*; D005402:Fistula / Q000209:etiology*; D005547:Foreign Bodies / Q000150:complications*; D006801:Humans; D008297:Male; D010608:Pharyngeal Diseases / Q000209:etiology*; D012868:Skin Abnormalities