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Inicio Acta Otorrinolaringológica Española Valoración estroboscópica de laringitis crónicas
Journal Information
Vol. 57. Issue 6.
Pages 266-269 (July 2006)
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Vol. 57. Issue 6.
Pages 266-269 (July 2006)
Valoración estroboscópica de laringitis crónicas
Stroboscopic assessment of chronic laryngitis
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J. Gamboa1
Corresponding author
fgamboam@eresmas.com

Correspondencia: Javier Gamboa Servicio de Otorrinolaringología. Hospital Universitario Príncipe de Asturias Ctra. Alcalá-Meco, s/n. Campus Universitario. 28805 Madrid
, L. Echeverría, B. Molina, I. Cobeta
1 Servicio de Otorrinolaringología. Hospital Universitario “Príncipe de Asturias”. Alcalá de Henares. Madrid
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Resumen
Objetivo

Mediante laringoestroboscopia podemos analizar la vibración de las cuerdas vocals durante la fonación. La pérdida de las propiedades viscoelásticas de la lamina propia superficial altera la vibración de las cuerdas y la propagación de la onda mucosa. Nos proponemos relacionar los hallazgos estroboscópicos con los resultados anatomopatológicos de biopsias de cuerda vocal en pacientes con laringitis crónica.

Material y métodos

Realizamos un studio retrospectivo en el que incluimos 30 laringoscopias directas (LD) con biopsia y sus correspondientes laringoestroboscopias, realizadas en 25 pacientes.

Resultados

n los pacientes con ausencia de onda mucosa en la exploración estroboscópica, encontramos displasia severa o carcinoma epidermoide en el 60% de los casos. Encontramos un 20% de casos con carcinoma cuando la onda mucosa estaba presente.

Conclusiones

La probabilidad de encontrar carcinoma epidermoide de cuerda vocal, es significativamente mayor cuando en la exploración estroboscópica encontramos ausencia de onda mucosa. La presencia de onda mucosa no excluye de forma absoluta la posibilidad de que la lesion de la cuerda sea maligna.

Palabras clave:
Queratosis
Leucoplasia
Cuerda vocal
Abstract
Introduction

The laryngostroboscopy allows analysis of the vocal fold vibrations during phonation. Disruption of normal viscoelastic properties of the superficial lamina propria results in aberrant vocal fold vibration and mucosal wave propagation. Therefore, an investigation was performed to relate the stroboscopic results with the anatomopathologic results of chronic laryngitis and glottic cancer.

Material y methods

We performed a retrospective study, which included 30 direct laryngoscopies with biopsy of 25 patients and their corresponding laryngostroboscopies.

Results

60% of the cases of “absence of mucosal wave” displayed severe dysplasia or carcinoma. 20% of the cases of “limited or present mucosal wave” were carcinoma.

Conclusions

The probability of finding severe dysplasia or carcinoma is significantly greater when we find absence of mucosal wave. The presence of mucosal wave does not exclude the possibility of malignant lesion of the vocal fold.

Key words:
Keratosis
Leucoplakia
Vocal fold
Stroboscopy
Dysplasia
Carcinoma

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