下咽梨状窝瘘（piriformsinusfistula）是一种以幼年歼始的反复发作的顿前都感染力持证的少见疾病。治疗上要求必须将瘘智彻底摘除，否则将导致感染复发，治疗起来作常棘手。自1973年Tucker等将下咽梨状窝瘘作为颈前部脓肿的病因进行报道及1979年Takia等将其作为急性甲状腺炎的 Piriforminus fistula is a rare disease that is evidenced by the recurring pre-prandial infectivity of infancy. Treatment requirements must be completely removed fistula Chi, otherwise it will lead to infection recurrence, treatment is often tricky. Since 1973, Tucker, etc. will be the cause of hypopharyngeal fistula as anterior neck abscess was reported in 1979 and Takia et al as acute thyroiditis