Outcome after radiofrequency ablation of sarcoma lung metastases.

Abstract:

PURPOSE:Resection is the mainstay of management in patients with sarcoma lung metastases, but there is a limit to how many resections can be performed. Some patients with inoperable disease have small-volume lung metastases that are amenable to thermal ablation. We report our results after radiofrequency ablation (RFA). METHODS:This is a retrospective study of patients treated from 2007 to 2012 in whom the intention was to treat all sites of disease and who had a minimum CT follow-up of 4 months. Treatment was performed under general anesthesia/conscious sedation using cool-tip RFA. Follow-up CT scans were analyzed for local control. Primary tumor type, location, grade, disease-free interval, prior resection/chemotherapy, number and size of lung tumors, uni- or bilateral disease, complications, and overall and progression-free survival were recorded. RESULTS:Twenty-two patients [15 women; median age 48 (range 10-78) years] with 55 lung metastases were treated in 30 sessions. Mean and median tumor size and initial number were 0.9 cm and 0.7 (range 0.5-2) cm, and 2.5 and 1 (1-7) respectively. Median CT and clinical follow-up were 12 (4-54) and 20 (8-63) months, respectively. Primary local control rate was 52 of 55 (95 %). There were 2 of 30 (6.6 %) Common Terminology Criteria grade 3 complications with no long-term sequelae. Mean (median not reached) and 2- and 3-year overall survival were 51 months, and 94 and 85 %. Median and 1- and 2-year progression-free survival were 12 months, and 53 and 23 %. Prior disease-free interval was the only significant factor to affect overall survival. CONCLUSION:RFA is a safe and effective treatment for patients with small-volume sarcoma metastases.

authors

Koelblinger C,Strauss S,Gillams A

doi

10.1007/s00270-013-0644-9

subject

Has Abstract

pub_date

2014-02-01 00:00:00

pages

147-53

issue

1

eissn

0174-1551

issn

1432-086X

journal_volume

37

pub_type

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