Diffuse pontine glioma

Case contributed by Ammar Haouimi
Diagnosis probable


Ataxia with cranial nerve palsies.

Patient Data

Age: 5 years
Gender: Female

The pons is diffusely enlarged with flattening of the floor of the 4th ventricle, encasing the basilar artery, and obliterating the prepontine cistern. It shows a low signal intensity on T1WI, heterogeneously increased signal on T2WI/FLAIR with a dorsal area of a low signal on FLAIR sequence. On postcontrast sequences, there is a focal area with irregular heterogeneous enhancement within the dorsal portion of the tumor. Mild dilatation of the 3rd and lateral ventricle (mild obstructive hydrocephalus).

Case Discussion

MRI features suggestive of a diffuse pontine glioma

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