Update on classification and management of laryngeal vascular anomalies in adults

Abstract

Introduction: Head and neck vascular abnormalities (AV) are common alterations found in children, but rare in adults. The latest classification described by the International So- ciety for the Study of Vascular Anomalies (ISSVA) in 2018, proposes dividing them into vascular tumors (TV) and vascular malformations (MV), based on their etiopathogenesis, biological and immunohistochemical behavior (IHC). Aim: To describe the experience in the management of laryngeal AV (AVL) of adults treated surgically on in the last 5 years in the Otolaryngology Service (ORL) of the Hospital Barros Luco Trudeau (HBLT). Material and Method: Retrospective and descriptive review of cases with histologically confirmed AVL in adults treated surgically in the ORL service of the same hospital between the years 2015 and 2020. Results: Five cases of AVL were found. The symptoms described were dys- phonia, pharyngodine, and dysphagia. The diagnostic suspicion was based on clinical his- tory, nasofibroscopy and imaging study, confirmed with post-operative biopsy. All patients were resolved surgically with a slight preference for the CO₂ laser. No complications or signs of recurrence were recorded during the follow-up. Conclusion: We recommend surgical management of AVL in adults with a complete resection and their classification according to the recommendations of the ISSVA with postoperative and immunohistochemical biopsy, due to heterogeneity of previous classifications systems.