Pulmonary arteriovenous malformation: two sibling cases

Pulmonary arteriovenous malformations, are abnormal connections between pulmonary arteries and veins. However it can be presented as an isolated single anomaly, also may be multiple when accompanying with autosomal dominant hereditary hemorrhagic telengiectasia (Rendu-Osler-Weber Syndrome; ROWS). In this case report, two patients operated with the diagnosis of multiple pulmonary arteriovenous malformation familial screening done with the possibility of ROWS and pulmonary arteriovenous malformation found in her sister, are presented.