Presentation
Headache, right upper limb paraplegia for one week.
Patient Data
Age: 20 years
Gender: Male
From the case:
Virchow-Robin spaces (type III)
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Serpiginous tubular CSF intensity lesion in the right side of the brainstem and right middle cerebellar peduncle (3 x 3 x 1.7 cm). No diffusion restriction. No post-contrast enhancement. No surrounding edema.
No significant mass effect over adjacent parenchyma.
Case Discussion
The MRI features are suggestive of Virchow-Robin spaces (Type III). The less likely deferential diagnosis can be a neuroepithelial cyst.