It begins in the epithelial tissue of the skin, or in the tissue that lines internal organs, such as the liver or kidneys. Highgrade mucoepidermoid carcinoma of maxillary sinus. Squamous cell carcinomas sccs, also known as epidermoid carcinomas, comprise a number of different types of cancer that result from squamous cells. Carcinoma is a type of cancer that starts in cells that make up the skin or the tissue lining organs, such as the liver or kidneys like other types of cancer, carcinomas are abnormal cells that. Carcinomas may spread to other parts of the body, or be confined to the primary location. Frontal and sphenoidal sinus tumors are exceptional. As a subset of maxillary sinus malignancies, nonsquamous cell cancers of the maxillary. Undifferentiated is the most common subtype, accounting for 60% of nasopharyngeal carcinoma. The majority of these tumors are in the maxillary sinus, and squamous cell carcinoma is the commonest histological type. Radiation therapy of squamous cell carcinoma of the nasal vestibule. Pdf on oct 9, 2018, leonardo flavio medina guillen and others published carcinoma epidermoide en senos paranasales con epistaxis supone schwannoma vestibular find, read and.
Abstract the tumoral pathology of the nasal cavity and the paranasal sinuses are unified by the narrow anatomical relation between these structures, that in many cases difficult the exact location of the origin place. Malignancies of the nasal cavity and paranasal sinuses constitute fewer than 1% of all malignancies and 3% of upper aerodigestive tract malignancies. Carcinoma epidermoide primario del seno frontal con. Nonkeratinizing squamous cell carcinoma undifferentiated. Pdf on oct 9, 2018, leonardo flavio medina guillen and others published. Endemic in chinese, southeast asians, north africans e. Carcinoma epidermoide diferenciado nasosinusal scielo cuba.