Research Article

Uroplakin II Expression in Breast Carcinomas Showing Apocrine Differentiation: Putting Some Emphasis on Invasive Pleomorphic Lobular Carcinoma as a Potential Mimic of Urothelial Carcinoma at Metastatic Sites

Table 2

Results showing immunohistochemical analysis of each case of IPLC, cILC, AC, and AM.

CaseUroplakin IIGATA3p63p40CK7CK20 34βE12GCDFP-15

IPLC
 13+3+003+03+3+
 22+3+003+03+3+
 33+2+1+1+3+03+3+
 42+3+003+03+3+
 53+3+1+1+3+03+3+
 61+3+003+03+3+
cILC
 103+003+03+1+
 203+003+03+2+
 303+003+03+1+
 403+003+03+0
 503+003+03+1+
 603+003+03+1+
 703+1+1+3+03+1+
 803+003+03+0
 903+003+03+1+
 1003+003+03+0
AC
 12+3+003+003+
 23+3+003+003+
 31+2+003+003+
 42+2+003+003+
 53+3+003+003+
 63+3+003+003+
 71+2+003+003+
 81+1+003+003+
 93+1+003+003+
 103+3+003+003+
AM
 13+0003+003+
 23+1+003+003+
 33+0003+003+
 43+0003+003+
 53+0003+003+

IPLC: invasive pleomorphic lobular carcinoma; cILC: classic invasive lobular carcinoma; AC: apocrine carcinoma; AM: apocrine metaplasia.