CNS capillary telangiectasia

Case contributed by Anthony Nuñez
Diagnosis almost certain

Presentation

Known developmental venous anomaly.

Patient Data

Age: 40 years
Gender: Female
mri

Right frontal developmental venous anomaly draining in the superior sagittal sinus.

There is an area of signal abnormality in the anterior aspect of the right corona radiata with no mass effect. It is slightly hyperintense on T2 weighted images, low signal on SWI and demonstrates stippled enhancement after contrast administration.

Case Discussion

Although it is an unusual location, the lesion is consistent with capillary telangiectasia. The most common location is the brainstem, especially the pons. They are known as an “angiographically occult vascular malformation". Most of the lesions are asymptomatic.

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