Capillary telangiectasia

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[edit] Discussion of Capillary telangiectasia

  • Capillary telangiectasias are cerebral vascular malformations that consists of small areas of abnormally dilated capillaries within otherwise normal brain tissue.
  • The presence of normal brain tissue between the capillaries is a pathologic characteristic that distinguishes capillary telangiectasias from cavernous malformations, although they may resemble each other on imaging studies.
  • Most commonly occur in the pons.
  • Capillary telangiectasias are usually solitary, but they may also be found in association with other brain vascular malformations such as cavernous malformations and developmental venous anomalies.
  • Although almost all patients with capillary telangiectasias are asymptomatic, capillary telangiectasias have been associated with minor symptoms such as vertigo, headache, and dizziness, as well as weakness and seizures.

[edit] Imaging Findings for Capillary telangiectasia

[edit] CT

  • CT does not usually detect

[edit] MRI

  • MRI findings in capillary telangiectasias are variable, but contrast enhancement is required for diagnosis or even detection in almost all cases.
  • The enhancement pattern is described as lacelike and is usually subtle.
  • Increased signal intensity may be seen occasionally T2-weighted images.
  • Susceptibility dephasing is seen on GRE sequences.

[edit] Images

Patient #1

[edit] See Also

[edit] External Links

[edit] References for Capillary telangiectasia