Nasopharyngeal carcinoma (NPC)

Nasopharyngeal carcinoma (NPC), previously known as lymphoepithelioma, is a malignancy arising from the epithelium of the nasopharynx. Epidemiology Approximately one third of nasopharyngeal carcinomas of the undifferentiated type are diagnosed in adolescents or young adults. Although rare, NPC accounts for one third of childhood nasopharyngeal neoplasms (data from USA) Classification Etiopathogenesis NPC results from an…