Fig. 4

A split path of the lesion; B Panoramic view of the lesion. C Higher-power magnification of the yellow box in B (H&E, ×10). D Higher-power magnification of the red box in C The neoplasia epithelium lined by well differentiated eosinophilic columnar cells and formed dilated cysts containing abundance necrotic and eosinophilic debris (H&E, ×100). E The intraglandular eosinophilic debris showed intensive PAS-D positive (×100)