Jumat, 24 Desember 2010

Branchial cyst

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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