Endoscopic Treatment of Sinonasal Papilloma: A Retrospective Clinical Study

Summary

Introduction: Sinonasal Papilloma is a benign tumor originating from the epithelium schneiderian lateral nasal wall. Its incidence is rare and according to literature accounts for 0.5 to 4% of all nasal tumors.

Objective: To report our institution's experience in the treatment of sinonasal inverted papilloma using endoscopic approach and compare the results with the literature.

Methods: A retrospective study of all patients with sinonasal papillomas who underwent a purely endoscopic surgery in the Otorhinolaryngology, Hospital das Clinicas, Federal University of Bahia (UFBA), from January 2004 to May 2010.

Results: A total of 12 patients were included in this study. The median follow-up was 23 months. There was one case of recurrence. Malignant transformation has not occurred in these cases.

Conclusion: The treatment of sinonasal papilloma has been largely benefited from the advances in endoscopic techniques, with recurrence rates equivalent to those reported for external access. Imaging exams are essential in preoperative planning and the decision of surgical technique. A regular follow-up and long term is essential for a good monitoring of the evolution of this pathology.

Resumo

Introdução: Papiloma nasossinusal é um tumor benigno com origem no epitélio schneideriano da parede nasal lateral. Sua incidência é rara e de acordo com a literatura responde por 0,5 a 4% de todos os tumores nasais.

Objetivo: Reportar a experiência da nossa instituição no tratamento do papiloma nasossinusal invertido utilizando acesso endoscópico e comparar os resultados obtidos com os relatos da literatura.

Método: Estudo retrospectivo de todos os pacientes com papiloma nasossinusal que realizaram tratamento cirúrgico puramente endoscópico no ambulatório de Otorrinolaringologia do Hospital das Clínicas da Universidade Federal da Bahia (UFBA), no período de janeiro de 2004 a maio de 2010.

Resultados: Um total de 12 pacientes foi incluído neste estudo. O seguimento médio foi de 23 meses. Houve 1 caso de recidiva. Não ocorreu transformação maligna nestes casos.

Conclusão: O tratamento do papiloma nasossinusal tem sido amplamente beneficiado com o avanço das técnicas endoscópicas, com taxas de recorrência equivalentes àquelas reportadas por acesso externo. Exames de imagem são fundamentais no planejamento pré-operatório e na decisão da técnica cirúrgica. Um seguimento regular e de longo prazo é essencial para um bom acompanhamento da evolução desta patologia.

Keywords

inverted papilloma - paranasal sinuses - paranasal sinus diseases

Palavras-chave

papiloma invertido - seios paranasais - doenças dos seios paranasais

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