Table 1

Frequency distribution of immunocytochemical staining of carcinomas for OPN

Percentage of carcinoma cells stainingaClassification of stainingNumber of carcinomasbPercentage of carcinomas
<14714
1–5±6520
5–25+5918
25–50++9528
50–100+++/++++16720
Total333100
  • a Two sections, 10 fields per section, read by two independent observers for sections stained by MAb to OPN.

  • b Number of carcinomas in each staining class, only the carcinoma cells were scored.