Document Detail

Percutaneous pulmonary radiofrequency ablation: difficulty achieving complete ablations in big lung lesions.
MedLine Citation:
PMID:  14512336     Owner:  NLM     Status:  MEDLINE    
The size of both primary and metastatic lung tumours often exceeds 3 cm in diameter at the time of diagnosis. The radiofrequency (RF) electrodes of the three leading companies currently in use are designed for a maximum ablation diameter of 5 cm. Therefore, the tumour to be ablated should not exceed 3 cm in maximum diameter, as a 1 cm safety ablation margin surrounding the tumour should ideally be achieved. A possible solution in treating larger tumours is to create overlapping ablations, a method successfully used in the radiofrequency ablation (RFA) of liver tumours. We report on the percutaneous overlapping ablation of three large lung metastases, 4 cm, 4.5 cm and 5 cm in their longest diameter. The largest of them showed incomplete ablation with residual viable tumour tissue. The overlapping percutaneous RFA of large lung tumours is feasible although the bigger the lesion, the higher the risk of incomplete ablation appears compared with smaller tumours treated by a single ablation.
K Steinke; D Glenn; J King; D L Morris
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  The British journal of radiology     Volume:  76     ISSN:  0007-1285     ISO Abbreviation:  Br J Radiol     Publication Date:  2003 Oct 
Date Detail:
Created Date:  2003-09-26     Completed Date:  2003-11-03     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0373125     Medline TA:  Br J Radiol     Country:  England    
Other Details:
Languages:  eng     Pagination:  742-5     Citation Subset:  AIM; IM    
Departments of Surgery and Radiology, University of New South Wales, The St George Hospital, Sydney, 2217 NSW, Australia.
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MeSH Terms
Brain Neoplasms / secondary
Carcinoma, Renal Cell / secondary,  surgery*
Catheter Ablation / methods*
Frontal Lobe
Kidney Neoplasms*
Lung Neoplasms / secondary,  surgery*
Melanoma / secondary,  surgery*
Middle Aged
Neoplasms, Unknown Primary*
Tomography, X-Ray Computed
Treatment Outcome

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