Presentation
New confusion and first seizure. Febrile >40°C. History of alcohol excess.
Patient Data
There are multiple (at least 7) enhancing lesions within the basal ganglia bilaterally. The largest lesion within the left internal capsule measures 16 mm in maximal dimension.
There are multiple T1 hypointense and T2 hyperintense lesions which suppress on FLAIR with a thin FLAIR hyperintense rim. There is minimal contrast enhancement and surrounding vasogenic oedema. This constellation of findings is consistent with cryptococcus gelatinous pseudocysts.
A number of lesions (>10) display contrast enhancement and are associated with surrounding vasogenic oedema. These lesions are in keeping with cryptococcomas.
The lesion within the right occipital lobe exhibits mild restricted diffusion.
No leptomeningeal enhancement or nodularity to indicate meningitis.
Case Discussion
Cryptoccosis is a fungal infection which is commonly an opportunistic infection in immunosuppressed patients.
It has a propensity to involve the basal ganglia and frequently leads to hydrocephalus.
In this case, the patient returned positive sputum samples for cryptococcus. He was treated with prolonged IV fluconazole and improved without requiring surgery.
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