MRI of the paranasal sinuses

The mass is isoin...
Axial T1
The mass is isointense on T1. Prominent flow voids are noted in keeping with a highly vascular tumor. The mass extends through the right pterygopalatine fossa and laterally through the pterygomaxillary fissure into the masticator space.
Modality: MRI (T1)

- “ This is a classical presentation of juvenile nasopharyngeal angiofibroma. This is a histologically benign lesion with very aggressive local behavi...”

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