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. 2022 Mar 9;7(6):20210111. doi: 10.1259/bjrcr.20210111

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© 2021 The Authors. Published by the British Institute of Radiology

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Figure 6. — a: T₂ weighted image (coronal section) - hypointense contents within bilateral frontal sinuses - suggestive of fungal sinusitis. b: T1 post-contrast axial section MRI showing abnormal enhancement (arrow) in the bony wall of the right frontal sinus (at the site of bony dehiscence, best depicted on CT, Fig 5b) c: T1 post-contrast axial section MRI - bulky left cavernous sinus with absent flow void in the internal carotid artery (arrow) secondary to cavernous sinus thrombosis. d: T1 post-contrast axial section MRI - enhancing and abnormally enlarged left superior ophthalmic vein (arrow).