Large fronto-temporal arachnoid cyst

Case contributed by Dr Hidayatullah Hamidi

Presentation

The patient complains from headache and seizures attacks for about past ten years.

Patient Data

Age: 15 years
Gender: Female

A large CSF intensity, extra axial lesion in the left anterior and middle cranial fossae resulting extrinsic compression over the left fronto-temporal lobes, mild effacement of the left lateral ventricle and midline shift of approximately 5 mm toward the right side.
No connection of this lesion with the ventricular system.
No post contrast enhancement or diffusion restriction.

Case Discussion

Arachnoid cysts are mainly small and asymptomatic, but when significantly large, they can cause symptom due to in mass effect which can be either direct neurological dysfunction or obstructive hydrocephalus.

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Case information

rID: 56682
Case created: 16th Nov 2017
Last edited: 25th Nov 2017
Inclusion in quiz mode: Included
Institution: French Medical Institute for Mothers and Children

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