Presentation
Walking difficulty.
Patient Data
Hypodense expansile lesion involving the midbrain and pons, associated with partial compression effacement of the 4th ventricle with resultant mild proximal hydrocephalus & mild periventricular CSF ooze.
Expansile non-enhancing lesion involving the midbrain and pons, associated with partial compression effacement of the 4th ventricle with resultant mild proximal hydrocephalus & mild periventricular CSF ooze. The lesion appears hyperintense on T2WI/FLAIR and hypointense on T1WI with no evidence of diffusion restriction. No evidence of calcification or hemorrhage was seen within the lesion. There is partial encasement of the basilar artery however no evidence of luminal narrowing was seen.
Case Discussion
The imaging findings are consistent with diffuse brainstem glioma/diffuse midline glioma.
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