[A bilateral epithelial myoepithelial carcinoma of the parotid gland]. - Université de Montpellier Accéder directement au contenu
Article Dans Une Revue Annales de Pathologie Année : 2015

[A bilateral epithelial myoepithelial carcinoma of the parotid gland].

Une localisation parotidienne bilatérale d’un carcinome épithélial myoépithélial

Résumé

We report the case of a 52-year-old man, who was admitted in the department of otorhinolaryngology for a mass of the right parotid gland. The radiological and clinical hypothesis was a squamous cell carcinoma. Histopathological examination revealed a biphasic proliferation composed of epithelial cells arranged in a tubular pattern stained with cytokeratins 5-6 and 7 and EMA surrounded by clear myoepithelial cells stained with smooth muscle actin and p63. Ki-67 labeling index was low. The diagnosis of epithelial myoepithelial carcinoma was proposed. One year after, the patient noticed a centimetric mass of the left parotid gland. The radiological hypothesis was the presence of an intraparotidian lymph node. Histopathological examination showed a second epithelial myoepithelial carcinoma. This is an uncommon neoplasm comprising approximately 1% of all salivary gland tumours, affecting mainly the parotid gland. It is occurring preferably in patients older than 60years old. This is a low-grade malignant tumour with tendency to local recurrence and lymph node metastatic potential. We describe an exceptional bilateral epithelial myoepithelial carcinoma of the parotid gland.
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Dates et versions

hal-01899391 , version 1 (19-10-2018)

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Arnault Tauziède-Espariat, Johnny Raffoul, Shan Rong Sun, Christine Monnin, Catherine Lassabe, et al.. [A bilateral epithelial myoepithelial carcinoma of the parotid gland].. Annales de Pathologie, 2015, 35 (6), pp.489 - 495. ⟨10.1016/j.annpat.2015.07.002⟩. ⟨hal-01899391⟩
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