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KMID : 1101020200450020044
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Journal of Oral Medicine and Pain
2020 Volume.45 No. 2 p.44 ~ p.47
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Pseudo-Aneurysm in Internal Maxillary Artery Caused by Radiofrequency Ablation: Literature Review with a Case Report
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Yang Hyun-Woo
Oh Ji-Hyun
Nam Ok-Hyung
Lee Chun-Ui
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Abstract
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The case of pseudo-aneurysm of internal maxillary artery (IMA) in oral and maxillofacial region is known to be very rare. The etiology of this case was regarded as IMA injury by radiofrequency ablation (RFA) and such incidence was not reported previously. One case of false aneurysm in the IMA was referred from local dental clinic to our department. Left facial swelling was observed with severe trismus immediately after radiofrequency procedure for masseteric nerve block in local dental clinic. Despite of medication and surgical intervention, the swelling did not subside and there was massive bleeding and pulsation on one of the follow ups. The traumatic vascular disorder was suspected and finally diagnosed with angiography and treated by embolization procedure. RFA targeting masseteric nerve or trigeminal ganglion may cause traumatic injury to adjacent anatomic structures such as IMA, resulting in pseudo-aneurysm. Clinicians must be aware of potential damages of RFA. Angiography enables the solid diagnosis for pseudo-aneurysm, and selective embolization can be optimum treatment method.
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KEYWORD
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Embolization, Pseudoaneurysm, Radiofrequency ablation
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