First Branchial Cleft Cyst

  • Etiology: remnant of embryonal branchial arch incompletely obliterated, parotid cyst extending to external auditory canal at osteochondral junction of external auditory canal
  • Imaging: look need parotid gland and external auditory canal
  • Clinical: 5% of branchial cleft cysts, presents with otorrhea

Cases of First Branchial Cleft Cyst