Department of Cardiac Surgery, Children's Hospital Boston and Harvard Medical School, Boston, Massachusetts 02445, USA.
Ann Thorac Surg. 2012 Jul;94(1):286-8. doi: 10.1016/j.athoracsur.2011.12.049.
A 17-year-old patient presented with a recurrent right atrioventricular (AV) groove vascular tumor. The tumor was resected en bloc, including the AV groove extending into the right ventricle (RV) and tricuspid valve. The AV groove and tricuspid valve required extensive reconstruction. The histopathologic features were that of an arteriovenous malformation with a proliferative small vessel component--an extremely rare type of cardiovascular anomaly.
一位 17 岁患者出现右房室（AV）沟复发性血管肿瘤。整块切除肿瘤，包括延伸至右心室（RV）和三尖瓣的 AV 沟。AV 沟和三尖瓣需要广泛重建。组织病理学特征为动静脉畸形伴增生的小血管成分 - 一种极其罕见的心血管异常。
