| A rare otorhinolaryngological malformation with the presence of a cyst, sinus or fistula occurring along the anterior border of the sternocleidomastoid muscle. Second branchial cleft fistula and sinuses present with skin opening with chronic discharge and recurrent infections, whereas second branchial cleft cysts present as a painless, nontender, stable in size or slowly enlarging lateral neck masses. Cysts occasionally acutely increase in size during upper respiratory tract infection, leading to respiratory compromise, torticollis and dysphagia. |
