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