Giant perivascular space

Case contributed by Dr Vitalii Rogalskyi

Presentation

Trauma.

Patient Data

Age: 50 years
Gender: Female

CT brain

CT

CT of the brain demonstrates well-circumscribed fluid density cystic lesion in the left basal ganglia. No solid component, no mass effect.

Otherwise the brain is unremarkable.

Case Discussion

Perivascular spaces are benign fluid-filled spaces around perforated vessels. Often they are small but can reach giant size (like in this case).

It is important not to confuse perivascular spaces with cystic tumors.

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