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A. A T2-weighted MR image of a 12-year-old boy with nasal obstruction and epistaxis shows a mass (arrow) in the right nasal cavity, nasopharynx, and pterygopalatine.

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Presentation on theme: "A. A T2-weighted MR image of a 12-year-old boy with nasal obstruction and epistaxis shows a mass (arrow) in the right nasal cavity, nasopharynx, and pterygopalatine."— Presentation transcript:

1 A. A T2-weighted MR image of a 12-year-old boy with nasal obstruction and epistaxis shows a mass (arrow) in the right nasal cavity, nasopharynx, and pterygopalatine fossa (arrow). There is anterior deviation of the posterior wall of the maxillary sinus. B. The mass is isointense to other soft tissues on this sagittal T1-weighted image. C. There is marked contrast enhancement. D. Enhancing tumor fills the nasopharynx and right pterygopalatine fossa on this fat-suppressed T1-weighted image. There is marked enlargement of the sphenopalatine foramen. E. An anterior coronal image shows the mass expanding the right nasal cavity. Nonenhancing fluid and thickened enhancing mucosa fill the narrowed right maxillary sinus (M). Source: The Nose, Nasal Cavity, and Nasopharynx, Diagnostic Imaging of Infants and Children Citation: Wells RG. Diagnostic Imaging of Infants and Children; 2015 Available at: Accessed: November 15, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved

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