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Inicio Acta Otorrinolaringológica Española Carcinoma on Pleomorphic Adenoma in Cervical Salivary Heteropia. Handling of One...
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Vol. 58. Issue 8.
Pages 371-374 (January 2007)
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Vol. 58. Issue 8.
Pages 371-374 (January 2007)
Case studies
Carcinoma on Pleomorphic Adenoma in Cervical Salivary Heteropia. Handling of One Case and Literature Review
Carcinoma sobre adenoma pleomorfo en heterotopia salival cervical. Manejo de un caso y revisión de la literatura
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Milagros Marcos Ordóñeza,
Corresponding author
mmarcoso@med.uva.es

Correspondence: Pl. Viejo Coso, 8-2.° E. 47003 Valladolid. Spain.
, Elena García Lagartob, Jaime Santos Péreza, Darío Moráis Péreza
a Servicio de Otorrinolaringología. Hospital Universitario de Valladolid. Valladolid. Spain
b Servicio de Anatomía Patológica. Hospital Universitario de Valladolid. Valladolid. Spain
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The presence of salivary tissue outside of the salivary glands, a term called “salivary heterotopia,” is not very common. The co-existence of carcinoma expleomorphic adenoma in a salivary heterotopia in the upper third of the neck can be considered unusual.

We present an infrequent and clinically unsuspected case of carcinoma expleomorphic adenoma in the upper third of the neck and independent of the salivary glands. The tumour developed within heterotopic salivary tissue, with the histopathological study of the surgical extract being decisive for its diagnosis. The cervical salivary embryogenesis of heterotopias and their oncogenesis is analyzed. Their clinical signs are reviewed to indicate the difficulty in distinguishing the different types of diagnosis from other primary or metastatic tumours so as to assist in choosing the therapy to follow.

Key words:
Neoplasia of salivary gland
Salivary carcinoma expleomorphic adenoma
Heterotopic salivary tissue

La presencia de tejido salival fuera de las glándulas salivales, denominada “heterotopia salival”, es poco frecuente y es insólito que concurra un carcinoma ex adenoma pleomorfo en una heterotopia salival en el tercio superior del cuello.

Presentamos un caso raro y clínicamente insospechado de carcinoma sobre adenoma pleomorfo en la región superior del cuello e independiente de las glándulas salivales. El tumor se desarrolló dentro de un tejido salival heterotópico, y fue decisivo el estudio histopatológico de la pieza quirúrgica para su diagnóstico. Se analiza la embriogénesis de las heterotopias salivales cervicales y su oncogénesis. Se revisan sus manifestaciones clínicas y se señala la dificultad en el diagnóstico diferencial con otros tumores primarios o metastásicos que nos harían vacilar sobre qué terapia aplicar.

Palabras claves:
Neoplasia de glándula salival
Carcinoma ex adenoma pleomorfo
Heterotopia salival

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