In medicine, mucoepidermoid carcinoma is a rare malignant tumor, although the most common form of cancer in a salivary gland. Presents content squamous, mucous and intermediate cells of anaplastic As + P to a cystic light, the presence of squamous tissue is more bad weather forecast and the opposite when the mucus is greater. It predominantly affects adults between the fourth and sixth decade of life, although it can also be seen in children. The tumor can be found in other organs, having been reported in the lacrimal gland, in the thyroid gland parotid, palatine glands, nasal cavity, nasopharynx, vocal cords, larynx, trachea and bronchi.
The correct diagnosis should be carried out discarding otras entities such as cysts, lymphoid tejido hiperplásico, fibroma, lipomas and lymphomas.
It has been found one overall survival rate of 91.9% and 89.5% after 5 and 10 years respectively. The low rate to around 50% in patients with stage III and IV disease.