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Updated: Jul 18, 2026
07:16
Thermal Ablation for the Treatment of Abdominal Tumors
Published on: March 7, 2011
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CT-Guided Cryoablation Achieves Significantly Higher Local Tumor Control in Sub-Solid Lung Tumors Compared With Solid
Tongyin Zhang1, Qiaoyu Xu2, Haoyu Li1,3
1Department of Radiology, China-Japan Friendship Hospital, Beijing, China.
Thoracic Cancer
|February 20, 2026
Summary
CT-guided cryoablation is a safe and effective treatment for lung tumors, showing high success rates and excellent tumor control, especially for sub-solid types. This minimally invasive procedure offers a promising alternative for lung cancer patients.
Area of Science:
- Pulmonology
- Oncology
- Interventional Radiology
Background:
- Cryoablation is an established lung cancer treatment.
- CT-guidance enhances precision in ablation procedures.
- Solid and sub-solid lung tumors present unique treatment challenges.
Purpose of the Study:
- To evaluate the efficacy and safety of CT-guided cryoablation.
- To assess treatment outcomes for both solid and sub-solid lung tumors.
- To determine the technical success rate and complication profile of the procedure.
Main Methods:
- Retrospective analysis of 77 patients with lung tumors (46 solid, 31 sub-solid).
- All patients underwent CT-guided cryoablation.
- Systematic evaluation of procedural details, technical success, complications, and local tumor control.
Main Results:
- 100% technical success rate with a low major complication rate (4%).
- Pneumothorax was the most frequent complication (34.8% solid, 51.6% sub-solid), with no statistically significant difference in incidence.
- Local tumor control at 24 months was 74% for solid and 100% for sub-solid tumors; overall survival was 100%.
Conclusions:
- CT-guided cryoablation is effective and safe for various lung tumors.
- The procedure demonstrates high technical success, minimal major complications, and good local tumor control.
- Cryoablation is a valuable treatment option, particularly for sub-solid lung tumors.
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