Research Article
The Accuracy of Prostate Cancer Localization Diagnosed on Transrectal Ultrasound-Guided Biopsy Compared to 3-Dimensional Transperineal Approach
Table 3
Newly discovered cancers and cancer upgrades.
| | | LA | LM | LB | RA | RM | RB |
| | Instances of cancer positive cores coming from TRUS-determined cancer negative zones (total instances = 244) | 41 (16.8%) | 68 (27.9%) | 19 (7.8%) | 35 (14.3%) | 62 (25.4%) | 19 (7.8%) | Proportion of newly cancerous zones resulting from anterior 3DMB cores
(total instances = 108) | 17 (41.5%) | 28 (41.2%) | 8 (42.1%) | 17 (48.6%) | 25 (40.3%) | 13 (68.4%) | Instances of positive Gleason 7 cores
(total instances = 178) | 32 (18%) | 43 (24.7%) | 13 (7.3%) | 24 (13.5%) | 56 (31.5%) | 10 (5.6%) | | Gleason upgrade instances by zone (, , or higher) by zone(s) (, total instances = 98) | 18 (18.4%) | 28 (28.6%) | 4 (4.1%) | 14 (14.3%) | 28 (28.6%) | 6 (6%) | | Instances of positive Gleason 7 cores for zones which both biopsy methods reported as cancer positive | 3 | 8 | 1 | 2 | 4 | 0 | | Instances of unconfirmed cancer by zone upon 3DMB (total instances = 99) | 17 (17.2%) | 8 (8%) | 20 (20.2%) | 18 (18.2%) | 12 (12.1%) | 24 (24.3%) |
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