Table 3. v-ets erythroblastosis virus E26 oncogene homolog (avian) (ERG) expression in prostate needle biopsy cores requiring diagnostic immunohistochemistry (IHC, n=101).
| 1Diagnosis | ERG expression |
|---|---|
| Benign: | 1/35 (2.9%) |
| HGPIN: | 2/9 (22.2%) |
| Atypia: | 1/18 (5.6%) |
| PCa: | 11/39 (28.2%) |
Abbreviations: high grade prostatic intraepithelial neoplasia (HGPIN), prostate cancer (PCa).
1
Diagnosis made after IHC with basal cell markers and alpha-methylacyl-CoA racemase (AMACR), but prior to evaluation of ERG expression.