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J Vasc Interv Radiol. 2016 Apr;27(4):474-9. doi: 10.1016/j.jvir.2016.01.001. Epub 2016 Mar 2.

Percutaneous High-Energy Microwave Ablation for the Treatment of Pulmonary Tumors: A Retrospective Single-Center Experience.

Author information

1
Interventional Oncology Service, University College London Hospital, London, United Kingdom; Department of Radiology, Faculty of Medicine, Saga University, 5-1-1 Nabeshima, Saga 849-8501, Japan. Electronic address: egashiy2@cc.saga-u.ac.jp.
2
Centre for Medical Imaging, University College London, London, United Kingdom.
3
Interventional Oncology Service, University College London Hospital, London, United Kingdom.

Abstract

PURPOSE:

To evaluate the safety and efficacy of percutaneous high-energy microwave ablation (MWA) for the treatment for pulmonary tumors.

MATERIALS AND METHODS:

A retrospective review was undertaken of 44 patients (21 men, 23 women; median age, 66 y; range, 17-89 y) who underwent 62 sessions of high-energy MWA for 87 pulmonary tumors at a single tertiary referral center between June 2012 and June 2014. Primary tumor origin was sarcoma (n = 23), colorectal (n = 16), lung (n = 2), esophageal (n = 1), breast (n = 1), and bladder (n = 1). Median tumor size was 12 mm (range, 6-45 mm). Technical success was recorded contemporaneously, complication rate at 30 days was recorded prospectively, and technique effectiveness was assessed by longitudinal follow-up CT scan.

RESULTS:

Primary technical success was achieved in 94% of ablation sessions. The median follow-up interval was 15 months (range, 6.2-29.5 mo) during which time local tumor progression was observed in two of 87 tumors (technique effectiveness 98%). Pneumothorax requiring chest tube insertion occurred in 19%; delayed pneumothorax occurred in four patients. No hemoptysis, infection, or other complications were recorded.

CONCLUSIONS:

High-energy MWA is safe and effective for the destruction of lung tumors.

PMID:
26944360
DOI:
10.1016/j.jvir.2016.01.001
[Indexed for MEDLINE]

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