Table 1.
Pathologic correlation of MRI findings in 129 patients with 184 lesions
| MRI findings | Pathological correlation | N |
|---|---|---|
| mPIRADS 1 (n=8) | Benign prostatic tissue | 4 |
| Prostatitis | 4 | |
| mPIRADS 2 (n=65) | Benign prostatic tissue | 17 |
| High grade prostatic intraepithelial neoplasia(HGPIN) | 6 | |
| Small acinar proliferation | 3 | |
| Prostatitis | 29 | |
| Gleason 3+3 = 6 | 7 | |
| Gleason 3+4 = 7 | 2 | |
| Gleason 4+3 = 7 | 1 | |
| mPIRADS 3 (n=49) | Benign prostatic tissue | 11 |
| High grade prostatic intraepithelial neoplasia (HGPIN) | 2 | |
| Small acinar proliferation | 1 | |
| Prostatitis | 16 | |
| Gleason 3+3 = 6 | 8 | |
| Gleason 3+4 = 7 | 7 | |
| Gleason 4+3 = 7 | 3 | |
| Gleason 4+4 = 8 | 1 | |
| mPIRADS 4 (n=39) | Benign prostatic tissue | 4 |
| High grade prostatic intraepithelial neoplasia (HGPIN) | 2 | |
| Prostatitis | 3 | |
| Gleason 3+3 = 6 | 5 | |
| Gleason 3+4 = 7 | 10 | |
| Gleason 4+3 = 7 | 11 | |
| Gleason 4+4 = 8 | 2 | |
| Gleason 4+5 = 9 | 2 | |
| mPIRADS 5 (n=23) Gleason | 3+4 = 7 | 9 |
| Gleason 4+3 = 7 | 8 | |
| Gleason 4+4 = 8 | 2 | |
| Gleason 4+5 = 9 | 3 | |
| Gleason 5+5 = 10 | 1 |