Table 3:
Characteristics among patients with lesions undetected by MRI-targeted
| N | Missed by Radiologist n = 3 | Missed on Targeting n = 21 | MRI-Invisible n = 17 | ||
|---|---|---|---|---|---|
| Age | 41 | 71.0 (68.0–73.5) | 65.0 (58.0–71.0) | 65.0 (59.0–68.0) | |
| Race | 41 | ||||
| White | 3 (100%) | 16 (76%) | 9 (53%) | ||
| Black | 0 (0%) | 4 (19%) | 7 (41%) | ||
| Asian | 0 (0%) | 0 (0%) | 1 (5.9%) | ||
| Other | 0 (0%) | 1 (4.8%) | 0 (0%) | ||
| Prior Bx Hx | 41 | ||||
| Naive | 1 (33%) | 3 (14%) | 3 (18%) | ||
| Negative | 1 (33%) | 7 (33%) | 5 (29%) | ||
| Positive | 1 (33%) | 11 (52%) | 9 (53%) | ||
| PSA | 41 | 7.2 (5.7–10.2) | 7.8 (5.3–11.6) | 8.0 (4.9–11.9) | |
| DRE Clinical Stage | 41 | ||||
| NA | 0 (0%) | 1 (4.8%) | 1 (5.9%) | ||
| T1c | 3 (100%) | 20 (95%) | 15 (88%) | ||
| T2a | 0 (0%) | 0 (0%) | 1 (5.9%) | ||
| MRI volume (ml) | 41 | 49.0 (43.5–56.9) | 50.0 (40.0–59.0) | 55.0 (46.0–66.0) | |
| # of targets | 41 | 2.0 (1.5–3.5) | 2.0 (1.0–3.0) | 3.0 (2.0–4.0) | |
| # of cores on targeted Bx | 41 | 4.0 (3.0–7.0) | 4.0 (2.0–6.0) | 6.0 (4.0–8.0) | |
| # positive cores on targeted Bx | 41 | 1.0 (0.5–3.0) | 2.0 (1.0–3.0) | 2.0 (0.0–2.0) | |
| # of Random cores | 41 | 12.0 (12.0–12.0) | 12.0 (12.0–12.0) | 12.0 (12.0–12.0) | |
| # positive Random cores | 41 | 4.0 (3.0–6.0) | 3.0 (2.0–5.0) | 2.0 (1.0–5.0) | |
| PI-RADS of visible MRI index lesion | 41 | ||||
| 2 | 0 (0%) | 0 (0%) | 2 (12%) | ||
| 3 | 1 (33%) | 1 (4.8%) | 3 (18%) | ||
| 4 | 1 (33%) | 12 (57%) | 9 (53%) | ||
| 5 | 1 (33%) | 8 (38%) | 3 (18%) | ||
| Size of MRI index lesion (cm) | 41 | 1.2 (1.1–1.4) | 1.1 (0.9–1.8) | 1.0 (0.8–1.2) | |
| Size of missed lesion (cm) | 24 | 0.6 (0.6–0.9) | 1.1 (0.9–1.3) | — | |
| Location of missed lesion | 24 | ||||
| Zone | Peripheral | 2 (67%) | 18 (86%) | — | |
| Transition | 1 (33) | 3 (14%) | — | ||
| Apex-Base | Apical | 2 (67%) | 6 (29%) | — | |
| Apical-mid | 0 | 5 (24%) | — | ||
| Base | 0 | 1 (4.8%) | — | ||
| Mid | 1 (33%) | 5 (24%) | — | ||
| Mid-base | 0 | 4 (19%) | — | ||
| Laterality | Left | 2 (67%) | 7 (33%) | — | |
| Midline | 0 | 3 (14%) | — | ||
| Right | 1 (33%) | 11 (52%) | — | ||
| Anterior-Posterior | Anterior | 1 (33%) | 6 (29%) | — | |
| Posterior | 2 (67%) | 15 (71%) | — | ||
1.
Statistics presented: Median (25%–75%); n (%)