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Contrast-enhanced maxillofacial MRI demonstrates left ethmoid sinus lesion. a Enhancing infiltrative lesion in the left anterior ethmoidal sinus in the Gadolinium-enhanced sequence (White arrow). b This lesion is hypointense in the T2-weighted sequence. c, d The lesion is hypointense in the apparent diffusion coefficient (ADC) sequence and mildly hyperintense in the diffusion-weighted imaging (DWI) sequence, likely due to hypercellularity
