Unusual Isolated Parapharyngeal Second Branchial Cleft Cyst: A Case Report and Literature Review

Figure 3

Histopathological examination of resected specimen. (a) Low power view of an invaginated part of the cyst, lined by attenuated stratified squamous epithelium with abundant subepithelial lymphoid tissue (H & E, ×100). (b) Close up view of a focally ulcerated area of the surface squamous epithelium encroached upon by heavy lymphocytic infiltrate including reactive lymphoid follicles (H & E, ×400).

(a)

(b)