Anterior temporal pole cysts

Case contributed by A.Prof Frank Gaillard

Presentation

Incidental left temporal lobe lesion found on outside imaging.

Patient Data

Age: 70 years
Modality: MRI

In the subcortical white matter of the left temporal pole are a number of cystic spaces surrounded by high T2 signal which does not involve the overlying cortex. The cysts are intimately associated with MCA branches, and the largest cyst appears to have a thin communication through the cortex to the adjacent vessel. MRS and CBV are normal and no enhancement is present. 

Case Discussion

This patient has now been followed for 5 years. The cysts remain the same, and at most there has been minor reduction in surrounding T2 signal. 

Although without histology it is difficult to prove the diagnosis, the location, the stability over time and particularly the relationship of the largest cyst to the MCA branch overlying it are very suggestive of the diagnosis of anterior temporal lobe perivascular cysts

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Case Information

rID: 46629
Case created: 11th Jul 2016
Last edited: 14th Jul 2016
Inclusion in quiz mode: Included

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