Foregut Duplication Cyst of the Stomach: A Case Report and Review of the Literature

Figure 2

(a) Cystic lesion lined by pseudostratified ciliated columnar epithelium with longitudinal and circular smooth muscle layers (10x). (b) TTF-1 immunohistochemistry highlights the lung type II pneumocytes (10x). (c) High magnification of the pseudostratified ciliate columnar epithelium (60x). (d) High magnification highlights the nuclear staining of TTF-1 (60x).

(a)

(b)

(c)

(d)