Table 1

Immunohistochemical staining of human prostate cancer specimens with the OPN antibody by tumor site

Tumor sitenaPositiveb (%)
Peripheral zone cancers3118/31 (58)
Transition zone cancers43/4 (75)
High-grade PIN124/12 (33)
Palliative transurethral resections82/8 (25)
  • a n, number of specimens.

  • b Focal staining that is positive (+) or strongly positive (++).