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Inicio Radiología (English Edition) Malignant carotid paraganglioma: A case report
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Vol. 61. Issue 2.
Pages 171-176 (March - April 2019)
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Vol. 61. Issue 2.
Pages 171-176 (March - April 2019)
Brief report
Malignant carotid paraganglioma: A case report
Paraganglioma carotídeo maligno. A propósito de un caso
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C. Rubio Maicasa,
Corresponding author
ceciliarubiomaicas@hotmail.com

Corresponding author.
, D. Dualde Beltrána, A. Ferrández Izquierdob, N. Nersesyana
a Servicio de Radiodiagnóstico, Hospital Clínico Universitario, Valencia, Spain
b Servicio de Anatomía Patológica, Hospital Clínico Universitario, Valencia, Spain
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Abstract

Tumours of the carotid body are uncommon neoplasms that originate in the neuroectoderm. These tumours are slow growing but well vascularised and very destructive. Between 5% and 13% of carotid body tumours are malignant, behaving aggressively at the local level, invading the adjacent lymph nodes, and resulting in remote metastases. We present the case of a 60-year-old man who was examined for pain and paresthesias in his arm. Magnetic resonance imaging showed a large tumour in the left carotid space. Histologic study of a biopsy specimen from the tumour revealed that it was a paraganglioma. Further studies to determine the extent of disease detected metastases in bone and lung, confirming the tumor's malignancy.

Keywords:
Malignant paraganglioma
Carotid body tumour
Head and neck tumours
Resumen

Los tumores del cuerpo carotídeo son neoplasias poco frecuentes, de lento crecimiento, muy destructivos y vascularizados, que tienen un origen neuroectodérmico. Los tumores malignos representan el 5-13% de los casos y presentan un comportamiento agresivo local con infiltración de los ganglios linfáticos adyacentes o metástasis a distancia. Presentamos el caso de un varón de 60 años al que en el estudio por dolor y parestesias en miembro superior se le realiza una resonancia magnética donde se visualiza una gran tumoración en el espacio carotídeo izquierdo, la cual se biopsió obteniendo el diagnóstico histológico de paraganglioma. Al realizar el estudio de extensión se identificó la presencia de metástasis pulmonares y óseas, lo que confirma la malignidad del tumor.

Palabras clave:
Paraganglioma maligno
Tumor del cuerpo carotídeo
Tumores de cabeza y cuello

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