Imaging appearance of atypical aortic dissection in a 7-year-old boy with Loeys-Dietz syndromeXia, Juan; Cheng, Guan; He, Yafeng; Wang, Jie; Lu, Wenhao; Ma, Xiaojing*Science Citation Index Expanded-摘要-关键词atypical aortic dissection computed tomography Loeys-Dietz syndrome transthoracic echocardiography