Branchial Cyst
· Arising from branchial arch remnants
· it has also been called lymphoepithelial cyst suggesting it's origin from cystic transformation of epithelium entrapted in cervical lymphnodes
· BC originated from 2nd arch->lateral aspect of upper neck near anterior border of sernocledomastoid muscle or at the mandibular angle
· Lesion->circumscribed fluctuent mass
· Young adults no sexual prediction
· Small ones canbe found in the floor of the mouth,Clinically resembles mucous retention cysts
· lined by stratified squamous epithelium
· Occationally columnar or cuboidal
· Cyst wall is composed of lymphoid tissue with scattered germinal centre surrounded by CT.
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