Leads to cyst, sinuses, or fistulas

Presents as lateral neck mass

Branchial anomalies are asociated with branchio-oto-renal syndrome or branchio-otic syndrome

1st branchial cleft cyst – Arise between angle of mandible (submandibular area) to external auditory canal

2nd branchial cleft cyst (MC TYPE) - On the lower anterior border of middle SCM, goes through carotid bifurcation and into tonsillar pillar

3rd – Arise anterior to SCM in low neck into the piriform sinus, inside the pharynx!!

Tx: for all is resection of cyst