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©2013 UpToDate ® Print Email Aspergillus sinusitis 87-year-old man with diabetes mellitus and biopsy-proved aspergillosis of paranasal sinuses. Coronal T1-weighted MR image obtained after injection of contrast material shows abnormal soft tissue filling ethmoidal air cell complex, nasal cavity, and maxillary sinus. Note subfrontal intracranial extension with dural thickening and abnormal enhancement (arrows). From: Ashdown BC, Tien RD, Felsberg GJ. Aspergillosis of the brain and paranasal sinuses in immunocompromised patients: CT and MR imaging findings. AJR Am J Roentgenol 1994; 162:155. Reprinted with permission from the American Journal of Roentgenology.