Nasopharyngeal Angiofibroma: Juvenile Nasopharyngeal Angiofibroma (UNA highly vascular benign yet unencapsulated tumor of adolescent maes
Nasopharyngeal Angiofibroma: Juvenile Nasopharyngeal Angiofibroma (JNA) highly vascular benign yet unencapsulated tumor of adolescent males
Frequency: JNA accounts for 0. 05%o of all head and neck tumors Sex: JNA occurs exclusively in males Age: range is 7-19 years. JNA iS rare in patients older than 25 years Etiology: A hormonal theory has been suggested due to the lesion's occurrence in adolescent males
Frequency: JNA accounts for 0.05% of all head and neck tumors. Sex: JNA occurs exclusively in males. Age: range is 7-19 years. JNA is rare in patients older than 25 years Etiology: A hormonal theory has been suggested due to the lesion's occurrence in adolescent males
Pathophysiology The tumor starts adiacent to the a sphenopalatine foramen. Large tumors frequently are bilobed or dumbbell-shaped with one portion of the tumor filling the nasopharynx and the other portion extending to the pterygopalatine fossa
Pathophysiology: The tumor starts adjacent to the sphenopalatine foramen. Large tumors frequently are bilobed or dumbbell-shaped, with one portion of the tumor filling the nasopharynx and the other portion extending to the pterygopalatine fossa
Clinical: Symptoms Nasal obstruction (80-90%0) Epistaxis(45-60%0) Headache(25%) Facial swelling(10-18%0 Other symptoms include unilateral rhinorrhea, anosmia, hyposmia, rhinolalia deafness, otalgia, swelling of the palate, and deformity of the cheek
Clinical: Symptoms: Nasal obstruction (80-90%): Epistaxis (45-60%): Headache (25%): Facial swelling (10-18%) Other symptoms include unilateral rhinorrhea, anosmia, hyposmia, rhinolalia, deafness, otalgia, swelling of the palate, and deformity of the cheek