Korean J Radiol.  2008 Apr;9(2):182-185. 10.3348/kjr.2008.9.2.182.

Embolization of a Bleeding Maxillary Arteriovenous Malformation via the Superficial Temporal Artery after External Carotid Artery Ligation

• Wang C
• Yan Q
• Xie X
• Li J
• Zhou D

• KMID: 1098199
• DOI: http://doi.org/10.3348/kjr.2008.9.2.182

Abstract

We report a new approach of embolization in a 15-year-old boy that presented with a massive hemorrhage from a maxillary arteriovenous malformation. Re-bleeding occurred after emergent ligation of the external carotid artery. The bleeding was successfully controlled by embolization via the superficial temporal artery.

Keyword

Maxilla; Arteriovenous malformation; Embolization; External carotid artery; Superficial temporal artery

MeSH Terms

Adolescent
Arteriovenous Malformations/*therapy
Carotid Artery, External/surgery
Embolization, Therapeutic/*methods
Hemorrhage/etiology/therapy
Humans
Ligation
Male
Maxillary Artery/*abnormalities
Temporal Arteries

Figure

• 

  Fig. 1 Embolization of bleeding maxillary arteriovenous malformation in 15-year-old boy. A. Selective left common carotid arteriogram shows interruption of left external carotid artery (arrow) just beyond origin of superior thyroidal artery (arrowhead). B. Selective right external carotid arteriogram demonstrates faint opacification of distal left external carotid artery (long arrow) through multiple small collateral arteries (arrowheads). Left internal maxillary artery (open arrow) supplies arteriovenous malformation (curved arrow). Left superficial temporal artery is slightly visualized (short arrow). C. After dissecting out superficial temporal nerve (arrowhead) and artery (arrow), 5 Fr Cobra catheter is inserted retrograde into exposed and separated left superficial temporal artery. D. Superselective left internal maxillary arteriogram demonstrates high-flow arteriovenous malformation with large draining veins (arrowheads). E. Post-embolization angiogram shows complete de-vascularization of arteriovenous malformation.

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