CARCINOMA of the nasopharynx has always had a high mortality rate because in an unfortunately high percentage of cases the disease is not recognized until it has reached an advanced stage. As with all other types of cancerous new growth, the greatest factors for successful results are that a diagnosis be made early and that the tumor be accessible to the most vigorous appropriate treatment. The statistics of this article are based on a series of 12 cases that have been studied and followed in private practice, in the department of laryngology of Jefferson Medical College and in the tumor clinic at Jefferson Medical College Hospital. The cause of carcinoma of the nasopharynx is as uncertain as that of cancer elsewhere. The nasopharynx is subjected to a great amount of irritation that may have a sinister effect in persons who have hyperplastic tendencies. All patients examined complained of a marked