Research Article
High-Intensity Focused Ultrasound (HIFU) Focal Therapy for Localized Prostate Cancer with MRI-US Fusion Platform
Table 1
Baseline characteristics of the patients.
| Characteristics | |
| Mean age (years) ± SD | 68.4 ± 5.9 | Mean BMI (kg/m2) ± SD | 23.8 ± 3.0 | PSA | | <4 ng/mL (n) | 1 (5%) | 4–10 ng/mL (n) | 13 (65%) | >10–20 ng/mL (n) | 6 (30%) | Mode of diagnosis | | MRI-USG fusion target + systematic biopsy (n) | 14 (70%) | Mapping transperineal systematic biopsy (n) | 6 (30%) | Number of index lesions per HIFU surgery | | 1 (n) | 18 (90%) | 2 (n) | 2 (10%) | Characteristics of index lesions under treatment on MRI | | Visible on MRI (n) | 22 (100%) | PI-RADS 3 (n) | 1 (5%) | PI-RADS 4 (n) | 14 (70%) | PI-RADS 5 (n) | 5 (25%) | ISUP grade group of index lesions under treatment | | Grade group 1 (n) | 12 (54.5%) | Grade group 2 (n) | 5 (22.7%) | Grade group 3 (n) | 3 (13.6%) | Grade group 4 (n) | 2 (9.1%) | Grade group 5 (n) | 0 | Index lesion location | | Peripheral zone (n) | 18 (81.8%) | Transitional zone (n) | 4 (18.2%) | Apex (n) | 5 (22.7%) | Middle (n) | 9 (40.9%) | Base (n) | 8 (36.4%) | Mean distance between the lesion from rectum (mm) | 15.7 ± 8.3 | Mean index lesion size (cm3) ± SD | 0.89 ± 0.95 |
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SD, standard deviation; BMI, body mass index; PSA, prostatic specific antigen.
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