Vascular Fibroma of the Nasopharynx (Nasopharyngeal Fibroma)

CAUSES Vascular fibroma of the nasopharynx, an interesting and peculiar type of tumor, occurs chiefly in males and rarely in females between the ages of 10 and 25 years and seems to be related to the growth and maturation of the bones of the base of the skull. Consequently spontaneous regression can and does occur, though infrequently. The neoplasm is not common but is of the utmost importance because of an active growth which may interfere with various functions. Ulceration and local infection may take place, or severe anemia may result from repeated hemorrhage, while fatal consequences from intracranial extension or from injudicious attempts at removal are not uncommon. A tendency toward recurrence is typical. In this country, Delavan1has contributed extensively to the existent knowledge of the growths. SITE OF ORIGIN AND GROWTH The tumor is thought to originate in the periosteum of the bones which arise from the