Diffuse pontine glioma
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Pons is diffusely bulky and non-enhancing, displacing basilar artery anteriorly, compressing fourth ventricle posteriorly and exhibits T1 hypointense and T2 hyperintense signal.
On DWI, no diffusion restriction noted, thus differentiating this from acute pontine infarction.
On MRS, there is increased choline:creatinine ratio measuring 3.2.
Diagnosis is most likely of diffuse pontine glioma, however, no histological proof is available.
- Diffuse pontine glioma