Extensively Invasive Gallbladder Cancer from Intracholecystic Papillary Neoplasm Treated with Pylorus-Preserving Pancreaticoduodenectomy and Extended Cholecystectomy: A Case Report and Literature Review

Figure 5

Histopathological images showed that the tumor was papillotubulary and had broad-based growth of columnar cells with mucus production in the gallbladder; hematoxylin and eosin staining: (a) 20× and (b) 100×. Immunohistochemical analysis showed the tumor cells were positive for mucin (MUC)5AC staining (c), but negative for MUC2 (d) and p53 (e) (all 100×).

(a)

(b)

(c)

(d)

(e)