#BestACR20Tweets RT @DrPetryna: #ACR20 prosp cohort study of angiographic lesions in Takayasu’ GCA:new angio lesions more likely in TAK.Improvement possible in both conditions, more likely in TAK.Change in the branch arteries more dynamic than in the aorta https://t.co/iC0TJ08Tsr https://t.co/Y1hIDGJ9Ro