Periventricular leucomalacia - frontal arachnoid cyst

Case contributed by Ammar Haouimi
Diagnosis almost certain

Presentation

History of prematurity.

Patient Data

Age: 2 years
Gender: Male

There is an extra-axial cystic structure of CSF signal on all sequences anterior to the left frontal lobe with thinning of the adjacent frontal bone.

Areas of FLAIR, and T2 hyperintensity of the posterior periventricular white matter containing small cystic formations with thinning of the white matter, and moderate dilatation of the lateral ventricles.

Case Discussion

Case of periventricular leucomalacia with a frontal arachnoid cyst (incidental finding).

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