Nasal Cavity Lesions

Question 1

Juvenile Angiofibroma

Answer 1

adolescent male (consider other dx if female)

Centered in posterior nasal cavity at margin of sphenopalatine foramen with possible extension into pterygopalatine fossa, nasal cavity, and nasopharynx.

bone remodeling +/- destruction. anterior bowing of the posterior maxillary sinus.

Internal maxillary artery feeds the mass.

Intermediate T1 and T2 signal.
Intense enhancement.
Serpentine flow voids.