[Acute suppurative thyroiditis in a patient with a piriform sinus fistula: A case report].

Acute suppurative thyroiditis is an infectious disease, uncommon in children, caused by various microorganisms, being bacteria the most frequently involved. The typical presentation includes the appearance of a tumor in combination with signs of swelling in the anterior aspect of the neck, which is painful on palpation and is associated with warmth and erythema. It usually moves with swallowing and the patient can suffer fever, dysphagia or dhysfonia.