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Inicio Acta Otorrinolaringológica Española Head and Neck Paragangliomas: Imaging Diagnosis and Embolization
Journal Information
Vol. 58. Issue 3.
Pages 83-93 (January 2007)
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Vol. 58. Issue 3.
Pages 83-93 (January 2007)
Head and Neck Paragangliomas: Imaging Diagnosis and Embolization
Paragangliomas de cabeza y cuello: diagnóstico por imagen y embolización
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803
Ana María Crespo Rodríguez
Corresponding author
anacrespo@seram.org

Correspondence: Servicio de Radiodiagnóstico. Hospital Universitario Miguel Servet. P.° Isabel La Católica, 1-3. 50009 Zaragoza. España.
, Gabriel Hernández Delgado, María Rosario Barrena Caballo, Santiago Guelbenzu Morte
Servicio de Radiodiagnóstico, Hospital Universitario Miguel Servet, Zaragoza, Spain
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Objectives

To review imaging features of paragangliomas. To determine the usefulness of pre-operative embolization.

Material and method

From January 1994 to December 2004, 30 patients at our institution were found to have 33 paragangliomas of the head and neck. They were evaluated with US, CT, MRI, and angiography.

Results

Location distribution was: 16 carotid (1 case of bilateral and 2 of multi-centric presentation are reported), 14 in temporal bone, and 3 vagal. Embolization was performed in 22 cases. It was palliative in 2 cases and adjuvant to surgery (18) or to surgery and radiation therapy (2), resulting in a reduction of surgical complications. Eight patients were operated on and 3 rejected any treatment.

Conclusions

Imaging studies are essential in the differential diagnosis of head and neck masses. Pre-operative embolization is a major advance in the surgical management of paragangliomas because it decreases potential intra-operative bleeding.

Key words:
Head and neck
Embolization
Carotid paraganglioma
Jugular paraganglioma
Vagal paraganglioma
Tympanic paraganglioma
Objetivos

Revisar los hallazgos de imagen de los paragangliomas. Determinar la utilidad de la embolización preoperatoria.

Material y método

De enero de 1994 a diciembre de 2004, en nuestro hospital se diagnosticó a 30 pacientes de 33 paragangliomas de cabeza y cuello. Fueron estudiados mediante ultrasonografía, tomografía computarizada, resonancia magnética y arteriografía.

Resultados

Distribución según localización: 16 carotídeos (incluidos 1 caso de bilateralidad y 2 de presentación multicéntrica), 14 en el hueso temporal y 3 vagales. La embolización se realizó en 22 casos. Fue paliativa en 2 y adyuvante a la cirugía (18) o a la cirugía y radioterapia (2), y consiguió la reducción del número de complicaciones quirúrgicas. Se operó a 8 pacientes y 3 rechazaron cualquier tratamiento.

Conclusiones

Los estudios de imagen son esenciales en el diagnóstico diferencial de las masas de cabeza y cuello. La embolización preoperatoria es el mayor avance en el manejo quirúrgico de los paragangliomas porque disminuye las potenciales hemorragias intraoperatorias.

Palabras clave:
Cabeza y cuello
Embolización
Paraganglioma carotídeo
Paraganglioma yugular
Paraganglioma vagal
Paraganglioma timpánico

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