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Journal Information
Vol. 54. Issue 2.
Pages 89-93 (February 2003)
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Vol. 54. Issue 2.
Pages 89-93 (February 2003)
Melanoma de conducto auditivo externo
Melanoma in the external auditory canal
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3400
L. Amando García*, C. Suárez Nieto1,**, B. Madrigal Rubiales***, J. García García***
* Servicio de orl. hospital carmen y severo ochoa. cangas del narcea. asturias
** Servicio de orl. hospital central de asturias. oviedo
*** Servicio de anatomía patológica. hospital central de asturias. oviedo
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Resumen

Los melanomas cutáneos son los tumores cuya incidencia más ha aumentado en los últimos cincuenta años. Los tumores originados en el conducto auditivo externo son extraordinariamente raros. Estos tumores muestran un comportamiento agresivo y silente. Debido a esto el diagnóstico se realiza en estadios avanzados habitualmente. Un varón con un melanoma originado en el conducto auditivo externo izquierdo fue atendido en nuestro Servicio sospechándose inicialmente un carcinoma epidermoide. Los hallazgos de la lesión y la extensión requirieron una resección lateral del temporal, parotidectomía y disección cervioganglionar para completar una resección total. Presentamos una revisión de la literatura sobre este caso y un estudio de la incidencia, importancia de las metástasis ganglionares y valoración del vaciamiento cervical electivo.

Palabras clave:
Tumores del oído
Melanoma
Resección del temporal
Abstract

Cutaneous melanomas are the tumours that have increased more their incidence in the last fifty years. Melanomas arising from the external auditory canal are extraordinariously unfrequent. These tumours show an agresive and silent behaviour, and due to this the diagnosis is frequently made in an advanced stage. A male with a malignant melanoma arising from his left external auditory canal was attended in our department, suspecting an epidermoid carcinoma. The clinical findings and the extension of the lesion required a lateral temporal bone resection, parotidectomy and neck dissection to achieve a total resection. We present a review of the literature about this entity and an analysis of the incidence, significance of the lymph node metastases and value of the elective neck dissection.

Key words:
Tumours of the ear
Malignant melanoma
Temporal bone resection

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