Aspergillus sinusitis

An 87-year-old man with diabetes mellitus and biopsy-proved aspergillosis of paranasal sinuses. Coronal T1-weighted magnetic resonance image (MRI) 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).