Correlation between Immunohistochemical and Histomorphological Features of Ampullary Carcinomas: A Study on 72 Cases from a Tertiary Health Care Center

Table 3

Specimens lacking correlation between morphological type and immunohistochemical findings.

Morphological type	Cytokeratin profile	No. of cases
Intestinal	CK7+/CK20− (pancreaticobiliary)	3
Intestinal	CK7+/CK20+ (mixed)	2
Pancreaticobiliary	CK7+/CK20+ (mixed)	1
Pancreaticobiliary	CK7+/CK20− (intestinal)	1
Pancreaticobiliary	CK7−/CK20− (undefined)	1
Mixed	CK7+/CK20− (pancreaticobiliary)	1
Total		9