Presentation
Immunocompromised and complaining of headache.
Patient Data
Age: 15 years
Gender: Male
Note: This case has been tagged as "legacy" as it no longer meets image preparation and/or other case publication guidelines.
From the case:
Acute invasive fungal sinusitis
Axial T1 C+ fat sat

Absent mucosal enhancement in the left ethmoid and sphenoid sinus is highly concerning for invasive fungal sinusitis.
Case Discussion
Absent enhancement indicates mucosal necrosis from acute invasive fungal sinusitis (AIFS) and was confirmed at surgery.