CK7+ / CK20+ tumors

CK7+ / CK20+ tumors

 carcinomas of bile duct (extrahepatic / gallbladder, often, Pathol Res Pract 2003;199:65)
 lung-mucinous bronchioloalveolar (Am J Clin Pathol 2004;122:421)
 pancreas (Cancer 2006;106:693, but see Arch Pathol Lab Med 2000;124:1196)
 urothelium (often, Arch Pathol Lab Med 2001;125:921, Hum Pathol 2002;33:1136)
 primary mucinous tumors of ovary (74%)
 upper GI tract (78%)
 endocervix (88%, Am J Surg Pathol 2006;30:1130)