HHT TORONTO

HHT is a hereditary disorder. This means it is passed down through generations. HHT is characterized by abnormal blood vessels. The abnormal vessels can be small (telangiectasias) or large (arteriovenous malformations, AVMs). HHT occurs in approximately 1 in 5000 Canadians... HHTToronto.com is the web site of the Toronto HHT Centre. We invite you to browse our site to learn more about HHT and the care available in Canada. This site contains information for Canadians with HHT, concerned family members and physicians involved in the care of patients with HHT.