Rendu-Osler-Weber Syndrome (ROWS), also known as hereditary hemorrhagic telangiectasia is a vascular autosomal dominant disorder with a prevalence from 1/5000 to 1/8000 people and with variable clinical manifestations as epistaxis, gastrointestinal bleeding, mucocutaneous telangiectasias and iron deficiency anemia. Arteriovenous malformations (AVM) occur more frequently in 1 gastrointestinal, pulmonary and nervous central system and affect more than 50% of individuals. 2