“…1,10 Branchial cleft anomalies may present as a sinus (Figure 1), cyst, fistula, or cartilaginous remnant (Figure 2), alone or in combination, in the lateral aspect of the neck anterior to the sternocleidomastoid muscle. 2,3,7,10,11 In one study, the most common presentation was a discharging sinus (59.25%) followed by a cystic neck swelling (33.3%). 12 A branchial cleft cyst typically presents as a nontender, mobile, and fluctuant mass located along the anterior border of the sternocleidomastoid muscle, usually just above the clavicle, although initially it may present as a visible punctum.…”