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Vol. 14. Issue 4.
Pages 527-534 (July - August 2008)
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Vol. 14. Issue 4.
Pages 527-534 (July - August 2008)
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Revisão dos tumores da traqueia – A propósito de um caso clínico de tumor adenóide cístico
Tracheal tumors review – A clinical case of adenoid cystic carcinoma
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António Caiado1, João Moura e Sá2,5, Maria Céu Póvoa3, Bárbara Parente4
1 Assistente Hospitalar de Pneumologia – Centro Hospitalar Tâmega Sousa, EPE
2 Chefe de Serviço de Pneumologia – Centro Hospitalar Vila Nova de Gaia / Espinho, EPE
3 Centro Hospitalar Tâmega Sousa, EPE Serviço de Pneumologia
4 Centro Hospitalar de Vila Nova de Gaia / Espinho, EPE Serviço de Pneumologia
5 Unidade de Broncologia
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Resumo

Os tumores primários da traqueia são raros, representando apenas 0,3% de todos os tumores. A incidência destes tumores é inferior a 0,2 por 100 000 habitantes e 180 vezes menos frequente do que os tumores do pulmão.

O porquê da sua raridade permanece por explicar. Possivelmente o fluxo turbulento na traqueia protege a mucosa do depósito de carcinogénios inalatórios.

Os autores apresentam um caso clínico de um tumor adenóide cístico da traqueia em mulher de 23 anos, não fumadora, e com quadro agudo de estridor inspiratório onde a utilização do laser Nd-Yag foi de primordial importância, permitindo uma exérese parcial alargada e segura da massa tumoral que fazia obstrução de 80% do lúmen da traqueia, conseguindo a repermeabilização rápida da via aérea principal, evitando um quadro asfíxico iminente, enquanto a doente aguardava cirurgia.

Palavras-chave:
Tumores da traqueia
carcinoma adenóide cístico
laser Nd -Yag
Abstract

Tracheal tumours are rare, accounting for only about 0.3% of all bodily tumours.

Their incidence is less than 0.2 per 100 000 inhabitants and 180 times less frequent than lung cancer. The reason for their rarity is not so clear. It is possible that turbulent airflow in the trachea protects its mucosa from inhaled carcinogen deposits.

The authors report a case of adenoid cystic carcinoma in a 23 year-old woman, non-smoker, with acute clinical inspiratory stridor, where Nd-Yag laser use was extremely important to tracheal permeability as the tumor occupied over 80% of the tracheal lumen and could have led to imminent patient asphyxia.

Key-words:
Tracheal tumours
adenoid cystic carcinoma
laser Nd -Yag
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Bibliografia
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G John Gibson, Duncan M Geddes, Ulrich Costabel, Peter J Sterk, Bryan Corrin. Respiratory Medicine. Third Edition. Vol. two, 1056–63.
Copyright © 2008. Sociedade Portuguesa de Pneumologia
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