Legend Axial T2 (left) and T1 (right) reveal a mass isointense on T1 and mixed on T2 occupying the left maxillary sinus and left nasal cavity.

Legend Post gad images reveal diffuse enhancement. Although the mass does not appear invasive or aggressive, it has expanded in the adjacent orbit and anterioinferior facial region. Key words: mri sinus nose nasal cavity neoplasia tumor

ENT Diagnosis: Squamous papilloma - maxillary sinus