Table 1.
The demographic, procedural and pathological data.
| Variable | n (%) or Mean (±SD) | ||
|---|---|---|---|
| Demographics | |||
| Number of patients | Total | 30 | |
| Sex | M/F | 28 (93.3%)/2 (6.7%) | |
| Age (years, range) | 58.8 ± 7.6 (39–70) | ||
| Etiology | Infectious | HCV | 20/30 (66.6%) |
| HBV | 5/30 (16.7%) | ||
| Alcoholic | 7/30 (23.3%) | ||
| Autoimmune | 1/30 (3.3%) | ||
| Child-Pugh | At diagnosis/At LT | A | 30 (100%)/30 (100%) |
| Mean time ablation-LT (months, range) | 16.4 (1–73) | ||
| Number of HCC nodules | 36 | ||
| HCC nodule mean diameter (mm, range) |
20.9 mm ± 6.1 mm (10–30 mm) |
||
| Single HCC nodule | 26/30 (86.7%) | ||
| Multiple HCC nodules | 4/30 (13.3%) | ||
| Mean number of ablated HCC nodules per patient | 1.2 | ||
| MW Ablation Procedure | |||
| Imaging guidance | Ultrasound | 33/36 (91.7%) | |
| CT | 3/36 (8.3%) | ||
| Gauge | 14 | 19/36 (52.8%) | |
| 16 | 17/36 (47.2%) | ||
| Time (seconds, range) | 120–600 s | ||
| Power (watt, range) | 30–60 watt | ||
| Complications | Perihepatic ascites | 3/30 (10%) | |
| Portal vein thrombosis | 1/30 (3.3%) | ||
| One-Month Post Procedural Imaging Evaluation | |||
| Complete response | 30/36 (83.3%) | ||
| Viable disease | 6/36 (16.7%) | ||
| Pathological Data | |||
| Complete necrosis | 28/36 (77.8%) | ||
| Partial necrosis | 8/36 (22.2%) | ||
| Vascular invasion | Macroscopic/microscopic | 0/36 (0%)/5/36 (13.9%) | |
| Lymph-node metastasis at hepatic hilum |
None | ||