We describe a case of laryngeal venous malformation, discovered by dysphonia. This malformation has a different histology and evolution compared to infant laryngeal hemangioma. The histological exam shows large and multiple vessels lined by regular endothelium. There is no spontaneous regression; this malformation can be stable or increase and induce a laryngeal obstruction. Although inconstant, a bluish colour, seen at endoscopy, suggests the presence of venous malformation. The diagnostic is confirmed by MRI, which shows local extension. We propose regular clinical and radiological supervision for asymptomatic venous malformations. Treatment is recommended only for symptomatic patients usually by laryngeal microsurgery or cervicotomy. Per cutaneous sclerosis is an interesting alternative therapy alone or prior to surgery. Regular follow-up is essential in order to detect frequent recurrences.
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