What is the role of CT scanning in the diagnosis of Osler-Weber-Rendu disease (OWRD) (hereditary hemorrhagic telangiectasia [HHT])?

Updated: Oct 06, 2020
  • Author: Klaus-Dieter Lessnau, MD, FCCP; Chief Editor: Vincent Lopez Rowe, MD  more...
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Answer

Helical CT has been advocated as a screening method for pulmonary AVM. However, detractors believe that the radiation exposure is unnecessary and the cost is prohibitive. CT with contrast may be used to delineate AVMs of the lung or the brain. CT of the head is indicated in the workup of stroke and brain abscess and may reveal AVM. Abdominal CT may be useful for liver, kidney, and splenic lesions.


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