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  • Title: Intrahepatic pseudoaneurysm after radiofrequency ablation of liver lesion.
    Author: Datta RV.
    Journal: Int Surg; 2008; 93(6):381-4. PubMed ID: 20085050.
    Abstract:
    Radiofrequency ablation of the liver for primary and metastatic disease is used for patients who are not candidates for resection or in conjunction with resection. The technique is simple, and the morbidity rate is low. A case of intrahepatic pseudoaneurysm after radiofrequency ablation of a centrally located hepatocellular carcinoma in the right lobe of the liver is presented. A successful radiofrequency ablation was done under ultrasound control. Postablation computed tomography (CT) scans showed a 2.5-cm hypervascular enhancing lesion within the hypodense region of the ablation. This was compatible with pseudoaneurysm. The patient underwent hepatic angiography and successful embolization of the aneurysm with coils. A 12-month follow-up CT scan of the liver showed postablation changes with no evidence of recurrence or filling of the aneurysm. Radiofrequency ablation is a novel technique that is being used to treat hepatic lesions with an increasing frequency. Complications with this rapidly spreading technique should not be underestimated.
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