Arachnoid cyst

Case contributed by David Cuete
Diagnosis certain

Presentation

Baseline, known arachnoid cyst

Patient Data

Age: 4 years
Gender: Female

CT brain

ct

There is a low attenuation extra-axial lesion in the right temporal fossa with associated displacement of ipsilateral temporal lobe. There is no mass effect or surrounding edema. Remodeling of adjacent bone is noted.

Case Discussion

Findings are consistent with an uncomplicated cerebral arachnoid cyst.

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