Table 1

The frequency of lymphovascular space invasion identified by conventional H&E staining compared with dual immunostaining for CK and CD31

CD31 and CK staining
H&E stainingPresentAbsentTotal
CK, pancytokeratin; H&E, haematoxylin and eosin.
Present15 (14%)2 (1.8%)17 (16%)
“Probable”2 (2%)2 (2%)4 (4%)
Absent41 (38%)46 (43%)87 (80%)
Total58 (54%)50 (46%)108