Table 1: Pathologic findings of the parts of the congenital midline cervical cleft.

Congenital midline cervical cleft portionEpithelial structuresMesenchymal structures

Cephalic skin tagStratified squamous epithelium with parakeratosisStriated muscle overgrowth

Midline cleftStratified squamous epithelium with parakeratosis and no adnexaeBundles of striated muscle
Striated muscle in the dermis

Caudal end ductSquamous epithelium with parakeratosis superficially
Pseudostratified ciliated epithelium of upper respiratory type at the bottom
Seromucinous glands