Table 1.
Characteristics of 21 cases that met the inclusion criteria including the origin of malignancy for primary and metastatic tumors (Malignancy Origin) and the diameters of tumors. The primary origin of the hepatic malignancies included gastrointestinal stromal tumors (n=2), hepatocellular carcinoma (n=3), colorectal carcinoma (n=9), esophageal carcinoma (n=2), uterine sarcoma (n=1), carcinoid (n=1), thymoma (n=1), renal cell carcinoma (n=1), and endometrial carcinoma (n=1).
| Case | Ablation Modality | Malignancy Origin | Tumor Diameter (cm) |
|---|---|---|---|
| 1 | Cryo | Colon | 1.0 |
| 2 | Cryo | Esophagus | 3.2 |
| 3 | RFA | GIST | 2.1 |
| 4 | Cryo | HCC | 1.3 |
| 5 | Cryo | HCC | 4.0 |
| 6 | RFA | Esophagus | 1.8 |
| 7 | Cryo | Uterine sarcoma | 1.0 |
| 8 | Cryo | Colon | 4.0 |
| 9 | RFA | Colon | 2.8 |
| 10 | RFA | GIST | 1.5 |
| 11 | RFA | HCC | 1.4 |
| 12 | RFA | Carcinoid | 1.7 |
| 13 | Cryo | Thymoma | 1.1 |
| 14 | MCT | Colon | 4.1 |
| 15 | Cryo | Colon | 0.9 |
| 16 | Cryo | Colon | 2.0 |
| 17 | Cryo | RCC | 1.1 |
| 18 | Cryo | Colon | 1.6 |
| 19 | MCT | Colon | 2.7 |
| 20 | RFA | Endometrial Carcinoma | 1.0 |
| 21 | Cryo | Colon | 0.9 |
Cryo: cryoablation; RFA: radiofrequency ablation; MCT: microwave coagulation therapy; GIST: gastrointestinal stromal tumor; HCC: hepatocellular carcinoma.