Arch Craniofac Surg.  2021 Jun;22(3):141-147. 10.7181/acfs.2021.00192.

Clinical assessment and management of auricular arteriovenous malformation: retrospective study

Affiliations
  • 1Department of Plastic and Reconstructive Surgery, School of Medicine, Kyungpook National University, Daegu, Korea
  • 2Vascular Anomalies Center, Kyungpook National University Hospital, Daegu, Korea
  • 3Department of Dermatology, School of Medicine, Kyungpook National University, Daegu, Korea
  • 4Department of Radiology, School of Medicine, Kyungpook National University, Daegu, Korea
  • 5Department of Surgery, School of Medicine, Kyungpook National University, Daegu, Korea
  • 6Department of Pediatrics, School of Medicine, Kyungpook National University, Daegu, Korea
  • 7CMRI, School of Medicine, Kyungpook National University, Daegu, Korea
  • 8BK21 FOUR KNU Convergence Educational Program of Biomedical Sciences for Creative Future Talents, School of Medicine, Kyungpook National University, Daegu, Korea

Abstract

Background
Arteriovenous malformation (AVM) which is a high-blood-flow lesion with connections between arteries and veins without an intervening capillary bed, is difficult to manage. The ear is the second most common site of extracranial AVM. However, studies regarding the management of this condition remain lacking. The purpose of this study was to share managing experiences in our center and to investigate the treatment effect through a retrospective analysis of cases.
Methods
Among 265 patients with AVM treated in our vascular anomalies center between January 2008 and January 2021, 10 patients with auricular AVM were included in the study to investigate the lesion distribution, clinical stage, and treatment methods by performing a retrospective evaluation.
Results
Among 10 patients, five patients had AVMs distributed in the upper half of the ear, one patient in the lower half of the ear, and four patients in whole ear, respectively. Seven patients had Schobinger stage II, and three had stage III. One patient received surgical treatment only, four patients received sclerotherapy only, and five patients received both surgical treatment and sclerotherapy. The posttreatment status was checked as controlled in two patients, improved in seven patients, persistent in one patient. There were no worsening patients.
Conclusion
Auricular AVM is a disease that is difficult to manage by one specific department, thus requiring a collaborative management effort from multidisciplinary team.

Keyword

Arteriovenous malformation; AVM protocol; Multidisciplinary communications
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