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Abstract
We report two cases of pulmonary arterial pseudoaneurysms (PAs) following percutaneous radiofrequency ablation (PRFA). The first patient was a 74-year-old Caucasian man who was treated for a secondary location of an advanced melanoma. A computed tomography scan at 72 h after the procedure, performed for basithoracic pain, hyperthermia and haemoptysis, revealed a 17-mm PA within the ablative zone. A lobectomy was performed. The second patient was an 80-year-old white man followed up for a right apical lung adenocarcinoma. Massive haemoptysis occurred 24 h after PRFA; emergent contrast-enhanced CT and pulmonary arteriography revealed a pulmonary artery PA (20 mm diameter), which was embolised with coils. The initial clinical course was satisfactory; however, 15 days after the procedure, the patient unfortunately presented a new massive haemoptysis and died a few hours later. The long ablation duration and the multiple repositioning of the electrodes might have been risk factors for this rare and potentially lethal complication.
Acknowledgements
The work presented here was carried out in collaboration between all authors. S.B., N.F. and H.T. defined the research theme. S.B., A.C., N.A. and N.F. designed the methods and analysed the data, interpreted the results and wrote the paper. S.B., A.C., N.F., N.A., P.B., M.M., A.R. and H.T. discussed analyses, interpretation, and presentation. All authors have contributed to, seen and approved the manuscript.
Declaration of interest
The authors report no conflict of interest. The authors alone are responsible for the content and writing of the paper.