Capillary telangiectasia is a cluster of enlarged, dilated capillaries interspersed with normal brain parenchyma
- General features
- Common sites: Pons, cerebellum, spinal cord
- Usually < 1 cm
- CT
- Usually normal
- MR
- T1WI
– Usually normal - T2WI
– 50% normal on T2WI
– 50% show faint stippled foci of hyperintensity - Large capillary telangiectasias may show ill-defined FLAIR hyperintensity
- Moderately hypointense on GRE; profoundly hypointense on SWI
- T1 C+
– Shows faint stippled or speckled brush-like enhancement
– Large capillary telangiectasia typically contain prominent linear draining
vein(s)
- T1WI
![Capillary telangiectasia](https://q-radiology.com/wp-content/uploads/2022/11/image-80-1024x467.png)
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