Presentation
Signs of brainstem stroke
Patient Data
Age: Old age
Gender: Male
From the case:
Invasive fungal sinusitis with basilar stroke
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Axial C+ delayed

A mass is located in the sphenoid sinus eroding through the clivus and into the pre-pontine cistern.
The mass is isodense to grey matter on CT with only slight peripheral enhancement.
From the case:
Invasive fungal sinusitis with basilar stroke
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Axial DWI

On MRI the clival mass appears isointense to grey matter on both T1 and T2 sequences without central enhancement.
Case Discussion
This elderly man presented with a brainstem stroke (see DWI).
Features are consistent with an aggressive invasive fungal infection. He, unfortunately, passed away 48 hours after admission.