MRI of the paranasal sinuses

The mass is heter...
Axial STIR
The mass is heterogeneously hyperintense on STIR. 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. Mucosal thickening and fluid are noted in the right maxillary sinus.
Modality: MRI (STIR)

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

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