Arteriovenous malformation (AVM) of the head and neck is a rare phenomenon, more so when it is an extracranial AVM like the auricle. AVMs are caused by genetic mutations. Most are probably present in the subclinical form at birth and then evolve; some may arise postnatally or during adolescence or get aggravated by precipitating factors like trauma, infection or hormonal influence like puberty or pregnancy. Once diagnosed, the feeding vessels have to be identified using radiological investigations. They are then embolised via means of percutaneous embolisation and surgical resection.
- radiology (diagnostics)
- nose and throat/otolaryngology
- primary care
- interventional radiology
- haematology (incl blood transfusion)
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Contributors SD: conception and design, acquisition of data or analysis and interpretation of data. ST: drafting the article or revising it critically for important intellectual content. AA and NK: final approval of the version published. ST: agreement to be accountable for the article and to ensure that all questions regarding the accuracy or integrity of the article are investigated and resolved.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Provenance and peer review Not commissioned; externally peer reviewed.