Hepatic radiofrequency under CT-fluoroscopy guidance
D Laganà1, G Carrafiello, M Mangini
1Vascular and Interventional Radiology, Department of Radiology, University of Insubria, Viale Borri 57, 21100 Varese, Italy. donlaga@gmail.com
La Radiologia Medica
|March 14, 2008
Summary
Computed tomography (CT) fluoroscopy effectively guides radiofrequency ablation for liver lesions, especially those difficult for ultrasound. This method ensures accurate needle placement, improving procedural efficiency and outcomes.
Area of Science:
- Interventional Radiology
- Medical Imaging
- Oncology
Background:
- Ultrasound (US) guidance has limitations for certain hepatic lesions.
- Accurate lesion targeting is crucial for effective radiofrequency ablation (RFA).
Purpose of the Study:
- To assess CT fluoroscopy's effectiveness for locating and treating hepatic lesions.
- To evaluate immediate technical success and short-term outcomes of CT-guided RFA.
- To compare CT fluoroscopy with US guidance for challenging liver lesions.
Main Methods:
- 14 patients with hepatic lesions underwent RFA guided by CT fluoroscopy.
- Lesions included residual hepatocellular carcinoma (HCC) and metastases.
- Procedures utilized a coaxial needle electrode in the CT room.
- Immediate technical success assessed by multidetector CT (MDCT); follow-up at 3, 6, and 12 months.
Main Results:
- Immediate technical success achieved in 13/14 patients.
- Recurrence rates varied by lesion vascularization and type.
- CT fluoroscopy demonstrated efficacy in treating lesions inaccessible or unclear on US.
- MDCT confirmed immediate success and monitored short-term results.
Conclusions:
- CT fluoroscopy overcomes US limitations for hepatic lesion RFA.
- It enables precise needle electrode placement, reducing procedure time.
- MDCT is reliable for assessing immediate and short-term RFA outcomes.
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