日本口腔外科学会雑誌
Online ISSN : 2186-1579
Print ISSN : 0021-5163
ISSN-L : 0021-5163
頬部に生じた動静脈奇形の1例
3D-CT angiographyの有用性
岩井 俊憲松井 義郎前川 二郎安村 和則小澤 知倫藤内 祝
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ジャーナル フリー

2007 年 53 巻 2 号 p. 103-107

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Arteriovenous malformation (AVM) in the maxillofacial region is a rare, but potentially life-thereatening vascular lesion. Although AVM is usually diagnosed on angiography, the procedure is very invasive. We report the identification of AVM and feeding vessels on three-dimensional CT angiography (3D-CTA), which is minimally invasive.
A 21-year-old man with a right buccal swelling was referred to our hospital. AVM was diagnosed on the basis of clinical signs and examinations such as ultrasonography, MR imaging, MR angiography, and CT. Angiography was not done. The vascular lesion was fed by two arteries (facial artery and infraorbital artery) in the right buccal region, clearly demonstrated on 3D-CTA. The patient underwent resection of the lesion and simultaneous reconstruction with a local flap. There was no evidence of recurrence 6 months after surgery.
Three-dimensional CTA can identify feeding vessels and assess the extent of AVM. This method is useful for surgical planning, as well as preoperative diagnosis.

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